diff --git a/libs/common/src/abstractions/api.service.ts b/libs/common/src/abstractions/api.service.ts
index 4969e87f1c6..015a742c1ac 100644
--- a/libs/common/src/abstractions/api.service.ts
+++ b/libs/common/src/abstractions/api.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 // This import has been flagged as unallowed for this class. It may be involved in a circular dependency loop.
 // eslint-disable-next-line no-restricted-imports
 import {
@@ -128,7 +126,7 @@ import { OptionalCipherResponse } from "../vault/models/response/optional-cipher
  * of this decision please read https://contributing.bitwarden.com/architecture/adr/refactor-api-service.
  */
 export abstract class ApiService {
-  send: (
+  abstract send(
     method: "GET" | "POST" | "PUT" | "DELETE" | "PATCH",
     path: string,
     body: any,
@@ -136,196 +134,225 @@ export abstract class ApiService {
     hasResponse: boolean,
     apiUrl?: string | null,
     alterHeaders?: (headers: Headers) => void,
-  ) => Promise<any>;
+  ): Promise<any>;
 
-  postIdentityToken: (
+  abstract postIdentityToken(
     request:
       | PasswordTokenRequest
       | SsoTokenRequest
       | UserApiTokenRequest
       | WebAuthnLoginTokenRequest,
-  ) => Promise<
+  ): Promise<
     IdentityTokenResponse | IdentityTwoFactorResponse | IdentityDeviceVerificationResponse
   >;
-  refreshIdentityToken: () => Promise<any>;
+  abstract refreshIdentityToken(): Promise<any>;
 
-  getProfile: () => Promise<ProfileResponse>;
-  getUserSubscription: () => Promise<SubscriptionResponse>;
-  getTaxInfo: () => Promise<TaxInfoResponse>;
-  putProfile: (request: UpdateProfileRequest) => Promise<ProfileResponse>;
-  putAvatar: (request: UpdateAvatarRequest) => Promise<ProfileResponse>;
-  putTaxInfo: (request: TaxInfoUpdateRequest) => Promise<any>;
-  postPrelogin: (request: PreloginRequest) => Promise<PreloginResponse>;
-  postEmailToken: (request: EmailTokenRequest) => Promise<any>;
-  postEmail: (request: EmailRequest) => Promise<any>;
-  postSetKeyConnectorKey: (request: SetKeyConnectorKeyRequest) => Promise<any>;
-  postSecurityStamp: (request: SecretVerificationRequest) => Promise<any>;
-  getAccountRevisionDate: () => Promise<number>;
-  postPasswordHint: (request: PasswordHintRequest) => Promise<any>;
-  postPremium: (data: FormData) => Promise<PaymentResponse>;
-  postReinstatePremium: () => Promise<any>;
-  postAccountStorage: (request: StorageRequest) => Promise<PaymentResponse>;
-  postAccountPayment: (request: PaymentRequest) => Promise<void>;
-  postAccountLicense: (data: FormData) => Promise<any>;
-  postAccountKeys: (request: KeysRequest) => Promise<any>;
-  postAccountVerifyEmail: () => Promise<any>;
-  postAccountVerifyEmailToken: (request: VerifyEmailRequest) => Promise<any>;
-  postAccountRecoverDelete: (request: DeleteRecoverRequest) => Promise<any>;
-  postAccountRecoverDeleteToken: (request: VerifyDeleteRecoverRequest) => Promise<any>;
-  postAccountKdf: (request: KdfRequest) => Promise<any>;
-  postUserApiKey: (id: string, request: SecretVerificationRequest) => Promise<ApiKeyResponse>;
-  postUserRotateApiKey: (id: string, request: SecretVerificationRequest) => Promise<ApiKeyResponse>;
-  postConvertToKeyConnector: () => Promise<void>;
+  abstract getProfile(): Promise<ProfileResponse>;
+  abstract getUserSubscription(): Promise<SubscriptionResponse>;
+  abstract getTaxInfo(): Promise<TaxInfoResponse>;
+  abstract putProfile(request: UpdateProfileRequest): Promise<ProfileResponse>;
+  abstract putAvatar(request: UpdateAvatarRequest): Promise<ProfileResponse>;
+  abstract putTaxInfo(request: TaxInfoUpdateRequest): Promise<any>;
+  abstract postPrelogin(request: PreloginRequest): Promise<PreloginResponse>;
+  abstract postEmailToken(request: EmailTokenRequest): Promise<any>;
+  abstract postEmail(request: EmailRequest): Promise<any>;
+  abstract postSetKeyConnectorKey(request: SetKeyConnectorKeyRequest): Promise<any>;
+  abstract postSecurityStamp(request: SecretVerificationRequest): Promise<any>;
+  abstract getAccountRevisionDate(): Promise<number>;
+  abstract postPasswordHint(request: PasswordHintRequest): Promise<any>;
+  abstract postPremium(data: FormData): Promise<PaymentResponse>;
+  abstract postReinstatePremium(): Promise<any>;
+  abstract postAccountStorage(request: StorageRequest): Promise<PaymentResponse>;
+  abstract postAccountPayment(request: PaymentRequest): Promise<void>;
+  abstract postAccountLicense(data: FormData): Promise<any>;
+  abstract postAccountKeys(request: KeysRequest): Promise<any>;
+  abstract postAccountVerifyEmail(): Promise<any>;
+  abstract postAccountVerifyEmailToken(request: VerifyEmailRequest): Promise<any>;
+  abstract postAccountRecoverDelete(request: DeleteRecoverRequest): Promise<any>;
+  abstract postAccountRecoverDeleteToken(request: VerifyDeleteRecoverRequest): Promise<any>;
+  abstract postAccountKdf(request: KdfRequest): Promise<any>;
+  abstract postUserApiKey(id: string, request: SecretVerificationRequest): Promise<ApiKeyResponse>;
+  abstract postUserRotateApiKey(
+    id: string,
+    request: SecretVerificationRequest,
+  ): Promise<ApiKeyResponse>;
+  abstract postConvertToKeyConnector(): Promise<void>;
   //passwordless
-  getAuthRequest: (id: string) => Promise<AuthRequestResponse>;
-  putAuthRequest: (id: string, request: PasswordlessAuthRequest) => Promise<AuthRequestResponse>;
-  getAuthRequests: () => Promise<ListResponse<AuthRequestResponse>>;
-  getLastAuthRequest: () => Promise<AuthRequestResponse>;
+  abstract getAuthRequest(id: string): Promise<AuthRequestResponse>;
+  abstract putAuthRequest(
+    id: string,
+    request: PasswordlessAuthRequest,
+  ): Promise<AuthRequestResponse>;
+  abstract getAuthRequests(): Promise<ListResponse<AuthRequestResponse>>;
+  abstract getLastAuthRequest(): Promise<AuthRequestResponse>;
 
-  getUserBillingHistory: () => Promise<BillingHistoryResponse>;
-  getUserBillingPayment: () => Promise<BillingPaymentResponse>;
+  abstract getUserBillingHistory(): Promise<BillingHistoryResponse>;
+  abstract getUserBillingPayment(): Promise<BillingPaymentResponse>;
 
-  getCipher: (id: string) => Promise<CipherResponse>;
-  getFullCipherDetails: (id: string) => Promise<CipherResponse>;
-  getCipherAdmin: (id: string) => Promise<CipherResponse>;
-  getAttachmentData: (
+  abstract getCipher(id: string): Promise<CipherResponse>;
+  abstract getFullCipherDetails(id: string): Promise<CipherResponse>;
+  abstract getCipherAdmin(id: string): Promise<CipherResponse>;
+  abstract getAttachmentData(
     cipherId: string,
     attachmentId: string,
     emergencyAccessId?: string,
-  ) => Promise<AttachmentResponse>;
-  getAttachmentDataAdmin: (cipherId: string, attachmentId: string) => Promise<AttachmentResponse>;
-  getCiphersOrganization: (organizationId: string) => Promise<ListResponse<CipherResponse>>;
-  postCipher: (request: CipherRequest) => Promise<CipherResponse>;
-  postCipherCreate: (request: CipherCreateRequest) => Promise<CipherResponse>;
-  postCipherAdmin: (request: CipherCreateRequest) => Promise<CipherResponse>;
-  putCipher: (id: string, request: CipherRequest) => Promise<CipherResponse>;
-  putPartialCipher: (id: string, request: CipherPartialRequest) => Promise<CipherResponse>;
-  putCipherAdmin: (id: string, request: CipherRequest) => Promise<CipherResponse>;
-  deleteCipher: (id: string) => Promise<any>;
-  deleteCipherAdmin: (id: string) => Promise<any>;
-  deleteManyCiphers: (request: CipherBulkDeleteRequest) => Promise<any>;
-  deleteManyCiphersAdmin: (request: CipherBulkDeleteRequest) => Promise<any>;
-  putMoveCiphers: (request: CipherBulkMoveRequest) => Promise<any>;
-  putShareCipher: (id: string, request: CipherShareRequest) => Promise<CipherResponse>;
-  putShareCiphers: (request: CipherBulkShareRequest) => Promise<ListResponse<CipherResponse>>;
-  putCipherCollections: (
+  ): Promise<AttachmentResponse>;
+  abstract getAttachmentDataAdmin(
+    cipherId: string,
+    attachmentId: string,
+  ): Promise<AttachmentResponse>;
+  abstract getCiphersOrganization(organizationId: string): Promise<ListResponse<CipherResponse>>;
+  abstract postCipher(request: CipherRequest): Promise<CipherResponse>;
+  abstract postCipherCreate(request: CipherCreateRequest): Promise<CipherResponse>;
+  abstract postCipherAdmin(request: CipherCreateRequest): Promise<CipherResponse>;
+  abstract putCipher(id: string, request: CipherRequest): Promise<CipherResponse>;
+  abstract putPartialCipher(id: string, request: CipherPartialRequest): Promise<CipherResponse>;
+  abstract putCipherAdmin(id: string, request: CipherRequest): Promise<CipherResponse>;
+  abstract deleteCipher(id: string): Promise<any>;
+  abstract deleteCipherAdmin(id: string): Promise<any>;
+  abstract deleteManyCiphers(request: CipherBulkDeleteRequest): Promise<any>;
+  abstract deleteManyCiphersAdmin(request: CipherBulkDeleteRequest): Promise<any>;
+  abstract putMoveCiphers(request: CipherBulkMoveRequest): Promise<any>;
+  abstract putShareCipher(id: string, request: CipherShareRequest): Promise<CipherResponse>;
+  abstract putShareCiphers(request: CipherBulkShareRequest): Promise<ListResponse<CipherResponse>>;
+  abstract putCipherCollections(
     id: string,
     request: CipherCollectionsRequest,
-  ) => Promise<OptionalCipherResponse>;
-  putCipherCollectionsAdmin: (id: string, request: CipherCollectionsRequest) => Promise<any>;
-  postPurgeCiphers: (request: SecretVerificationRequest, organizationId?: string) => Promise<any>;
-  putDeleteCipher: (id: string) => Promise<any>;
-  putDeleteCipherAdmin: (id: string) => Promise<any>;
-  putDeleteManyCiphers: (request: CipherBulkDeleteRequest) => Promise<any>;
-  putDeleteManyCiphersAdmin: (request: CipherBulkDeleteRequest) => Promise<any>;
-  putRestoreCipher: (id: string) => Promise<CipherResponse>;
-  putRestoreCipherAdmin: (id: string) => Promise<CipherResponse>;
-  putRestoreManyCiphers: (
+  ): Promise<OptionalCipherResponse>;
+  abstract putCipherCollectionsAdmin(id: string, request: CipherCollectionsRequest): Promise<any>;
+  abstract postPurgeCiphers(
+    request: SecretVerificationRequest,
+    organizationId?: string,
+  ): Promise<any>;
+  abstract putDeleteCipher(id: string): Promise<any>;
+  abstract putDeleteCipherAdmin(id: string): Promise<any>;
+  abstract putDeleteManyCiphers(request: CipherBulkDeleteRequest): Promise<any>;
+  abstract putDeleteManyCiphersAdmin(request: CipherBulkDeleteRequest): Promise<any>;
+  abstract putRestoreCipher(id: string): Promise<CipherResponse>;
+  abstract putRestoreCipherAdmin(id: string): Promise<CipherResponse>;
+  abstract putRestoreManyCiphers(
     request: CipherBulkRestoreRequest,
-  ) => Promise<ListResponse<CipherResponse>>;
-  putRestoreManyCiphersAdmin: (
+  ): Promise<ListResponse<CipherResponse>>;
+  abstract putRestoreManyCiphersAdmin(
     request: CipherBulkRestoreRequest,
-  ) => Promise<ListResponse<CipherResponse>>;
+  ): Promise<ListResponse<CipherResponse>>;
 
-  postCipherAttachment: (
+  abstract postCipherAttachment(
     id: string,
     request: AttachmentRequest,
-  ) => Promise<AttachmentUploadDataResponse>;
-  deleteCipherAttachment: (id: string, attachmentId: string) => Promise<any>;
-  deleteCipherAttachmentAdmin: (id: string, attachmentId: string) => Promise<any>;
-  postShareCipherAttachment: (
+  ): Promise<AttachmentUploadDataResponse>;
+  abstract deleteCipherAttachment(id: string, attachmentId: string): Promise<any>;
+  abstract deleteCipherAttachmentAdmin(id: string, attachmentId: string): Promise<any>;
+  abstract postShareCipherAttachment(
     id: string,
     attachmentId: string,
     data: FormData,
     organizationId: string,
-  ) => Promise<any>;
-  renewAttachmentUploadUrl: (
+  ): Promise<any>;
+  abstract renewAttachmentUploadUrl(
     id: string,
     attachmentId: string,
-  ) => Promise<AttachmentUploadDataResponse>;
-  postAttachmentFile: (id: string, attachmentId: string, data: FormData) => Promise<any>;
+  ): Promise<AttachmentUploadDataResponse>;
+  abstract postAttachmentFile(id: string, attachmentId: string, data: FormData): Promise<any>;
 
-  getUserCollections: () => Promise<ListResponse<CollectionResponse>>;
-  getCollections: (organizationId: string) => Promise<ListResponse<CollectionResponse>>;
-  getCollectionUsers: (organizationId: string, id: string) => Promise<SelectionReadOnlyResponse[]>;
-  getCollectionAccessDetails: (
+  abstract getUserCollections(): Promise<ListResponse<CollectionResponse>>;
+  abstract getCollections(organizationId: string): Promise<ListResponse<CollectionResponse>>;
+  abstract getCollectionUsers(
     organizationId: string,
     id: string,
-  ) => Promise<CollectionAccessDetailsResponse>;
-  getManyCollectionsWithAccessDetails: (
+  ): Promise<SelectionReadOnlyResponse[]>;
+  abstract getCollectionAccessDetails(
+    organizationId: string,
+    id: string,
+  ): Promise<CollectionAccessDetailsResponse>;
+  abstract getManyCollectionsWithAccessDetails(
     orgId: string,
-  ) => Promise<ListResponse<CollectionAccessDetailsResponse>>;
-  postCollection: (
+  ): Promise<ListResponse<CollectionAccessDetailsResponse>>;
+  abstract postCollection(
     organizationId: string,
     request: CollectionRequest,
-  ) => Promise<CollectionDetailsResponse>;
-  putCollection: (
+  ): Promise<CollectionDetailsResponse>;
+  abstract putCollection(
     organizationId: string,
     id: string,
     request: CollectionRequest,
-  ) => Promise<CollectionDetailsResponse>;
-  deleteCollection: (organizationId: string, id: string) => Promise<any>;
-  deleteManyCollections: (organizationId: string, collectionIds: string[]) => Promise<any>;
+  ): Promise<CollectionDetailsResponse>;
+  abstract deleteCollection(organizationId: string, id: string): Promise<any>;
+  abstract deleteManyCollections(organizationId: string, collectionIds: string[]): Promise<any>;
 
-  getGroupUsers: (organizationId: string, id: string) => Promise<string[]>;
-  deleteGroupUser: (organizationId: string, id: string, organizationUserId: string) => Promise<any>;
-
-  getSync: () => Promise<SyncResponse>;
-
-  getSettingsDomains: () => Promise<DomainsResponse>;
-  putSettingsDomains: (request: UpdateDomainsRequest) => Promise<DomainsResponse>;
-
-  getTwoFactorProviders: () => Promise<ListResponse<TwoFactorProviderResponse>>;
-  getTwoFactorOrganizationProviders: (
+  abstract getGroupUsers(organizationId: string, id: string): Promise<string[]>;
+  abstract deleteGroupUser(
     organizationId: string,
-  ) => Promise<ListResponse<TwoFactorProviderResponse>>;
-  getTwoFactorAuthenticator: (
+    id: string,
+    organizationUserId: string,
+  ): Promise<any>;
+
+  abstract getSync(): Promise<SyncResponse>;
+
+  abstract getSettingsDomains(): Promise<DomainsResponse>;
+  abstract putSettingsDomains(request: UpdateDomainsRequest): Promise<DomainsResponse>;
+
+  abstract getTwoFactorProviders(): Promise<ListResponse<TwoFactorProviderResponse>>;
+  abstract getTwoFactorOrganizationProviders(
+    organizationId: string,
+  ): Promise<ListResponse<TwoFactorProviderResponse>>;
+  abstract getTwoFactorAuthenticator(
     request: SecretVerificationRequest,
-  ) => Promise<TwoFactorAuthenticatorResponse>;
-  getTwoFactorEmail: (request: SecretVerificationRequest) => Promise<TwoFactorEmailResponse>;
-  getTwoFactorDuo: (request: SecretVerificationRequest) => Promise<TwoFactorDuoResponse>;
-  getTwoFactorOrganizationDuo: (
+  ): Promise<TwoFactorAuthenticatorResponse>;
+  abstract getTwoFactorEmail(request: SecretVerificationRequest): Promise<TwoFactorEmailResponse>;
+  abstract getTwoFactorDuo(request: SecretVerificationRequest): Promise<TwoFactorDuoResponse>;
+  abstract getTwoFactorOrganizationDuo(
     organizationId: string,
     request: SecretVerificationRequest,
-  ) => Promise<TwoFactorDuoResponse>;
-  getTwoFactorYubiKey: (request: SecretVerificationRequest) => Promise<TwoFactorYubiKeyResponse>;
-  getTwoFactorWebAuthn: (request: SecretVerificationRequest) => Promise<TwoFactorWebAuthnResponse>;
-  getTwoFactorWebAuthnChallenge: (request: SecretVerificationRequest) => Promise<ChallengeResponse>;
-  getTwoFactorRecover: (request: SecretVerificationRequest) => Promise<TwoFactorRecoverResponse>;
-  putTwoFactorAuthenticator: (
+  ): Promise<TwoFactorDuoResponse>;
+  abstract getTwoFactorYubiKey(
+    request: SecretVerificationRequest,
+  ): Promise<TwoFactorYubiKeyResponse>;
+  abstract getTwoFactorWebAuthn(
+    request: SecretVerificationRequest,
+  ): Promise<TwoFactorWebAuthnResponse>;
+  abstract getTwoFactorWebAuthnChallenge(
+    request: SecretVerificationRequest,
+  ): Promise<ChallengeResponse>;
+  abstract getTwoFactorRecover(
+    request: SecretVerificationRequest,
+  ): Promise<TwoFactorRecoverResponse>;
+  abstract putTwoFactorAuthenticator(
     request: UpdateTwoFactorAuthenticatorRequest,
-  ) => Promise<TwoFactorAuthenticatorResponse>;
-  deleteTwoFactorAuthenticator: (
+  ): Promise<TwoFactorAuthenticatorResponse>;
+  abstract deleteTwoFactorAuthenticator(
     request: DisableTwoFactorAuthenticatorRequest,
-  ) => Promise<TwoFactorProviderResponse>;
-  putTwoFactorEmail: (request: UpdateTwoFactorEmailRequest) => Promise<TwoFactorEmailResponse>;
-  putTwoFactorDuo: (request: UpdateTwoFactorDuoRequest) => Promise<TwoFactorDuoResponse>;
-  putTwoFactorOrganizationDuo: (
+  ): Promise<TwoFactorProviderResponse>;
+  abstract putTwoFactorEmail(request: UpdateTwoFactorEmailRequest): Promise<TwoFactorEmailResponse>;
+  abstract putTwoFactorDuo(request: UpdateTwoFactorDuoRequest): Promise<TwoFactorDuoResponse>;
+  abstract putTwoFactorOrganizationDuo(
     organizationId: string,
     request: UpdateTwoFactorDuoRequest,
-  ) => Promise<TwoFactorDuoResponse>;
-  putTwoFactorYubiKey: (
+  ): Promise<TwoFactorDuoResponse>;
+  abstract putTwoFactorYubiKey(
     request: UpdateTwoFactorYubikeyOtpRequest,
-  ) => Promise<TwoFactorYubiKeyResponse>;
-  putTwoFactorWebAuthn: (
+  ): Promise<TwoFactorYubiKeyResponse>;
+  abstract putTwoFactorWebAuthn(
     request: UpdateTwoFactorWebAuthnRequest,
-  ) => Promise<TwoFactorWebAuthnResponse>;
-  deleteTwoFactorWebAuthn: (
+  ): Promise<TwoFactorWebAuthnResponse>;
+  abstract deleteTwoFactorWebAuthn(
     request: UpdateTwoFactorWebAuthnDeleteRequest,
-  ) => Promise<TwoFactorWebAuthnResponse>;
-  putTwoFactorDisable: (request: TwoFactorProviderRequest) => Promise<TwoFactorProviderResponse>;
-  putTwoFactorOrganizationDisable: (
+  ): Promise<TwoFactorWebAuthnResponse>;
+  abstract putTwoFactorDisable(
+    request: TwoFactorProviderRequest,
+  ): Promise<TwoFactorProviderResponse>;
+  abstract putTwoFactorOrganizationDisable(
     organizationId: string,
     request: TwoFactorProviderRequest,
-  ) => Promise<TwoFactorProviderResponse>;
-  postTwoFactorEmailSetup: (request: TwoFactorEmailRequest) => Promise<any>;
-  postTwoFactorEmail: (request: TwoFactorEmailRequest) => Promise<any>;
-  getDeviceVerificationSettings: () => Promise<DeviceVerificationResponse>;
-  putDeviceVerificationSettings: (
+  ): Promise<TwoFactorProviderResponse>;
+  abstract postTwoFactorEmailSetup(request: TwoFactorEmailRequest): Promise<any>;
+  abstract postTwoFactorEmail(request: TwoFactorEmailRequest): Promise<any>;
+  abstract getDeviceVerificationSettings(): Promise<DeviceVerificationResponse>;
+  abstract putDeviceVerificationSettings(
     request: DeviceVerificationRequest,
-  ) => Promise<DeviceVerificationResponse>;
+  ): Promise<DeviceVerificationResponse>;
 
-  getCloudCommunicationsEnabled: () => Promise<boolean>;
+  abstract getCloudCommunicationsEnabled(): Promise<boolean>;
   abstract getOrganizationConnection<TConfig extends OrganizationConnectionConfigApis>(
     id: string,
     type: OrganizationConnectionType,
@@ -340,136 +367,147 @@ export abstract class ApiService {
     configType: { new (response: any): TConfig },
     organizationConnectionId: string,
   ): Promise<OrganizationConnectionResponse<TConfig>>;
-  deleteOrganizationConnection: (id: string) => Promise<void>;
-  getPlans: () => Promise<ListResponse<PlanResponse>>;
+  abstract deleteOrganizationConnection(id: string): Promise<void>;
+  abstract getPlans(): Promise<ListResponse<PlanResponse>>;
 
-  getProviderUsers: (providerId: string) => Promise<ListResponse<ProviderUserUserDetailsResponse>>;
-  getProviderUser: (providerId: string, id: string) => Promise<ProviderUserResponse>;
-  postProviderUserInvite: (providerId: string, request: ProviderUserInviteRequest) => Promise<any>;
-  postProviderUserReinvite: (providerId: string, id: string) => Promise<any>;
-  postManyProviderUserReinvite: (
+  abstract getProviderUsers(
+    providerId: string,
+  ): Promise<ListResponse<ProviderUserUserDetailsResponse>>;
+  abstract getProviderUser(providerId: string, id: string): Promise<ProviderUserResponse>;
+  abstract postProviderUserInvite(
+    providerId: string,
+    request: ProviderUserInviteRequest,
+  ): Promise<any>;
+  abstract postProviderUserReinvite(providerId: string, id: string): Promise<any>;
+  abstract postManyProviderUserReinvite(
     providerId: string,
     request: ProviderUserBulkRequest,
-  ) => Promise<ListResponse<ProviderUserBulkResponse>>;
-  postProviderUserAccept: (
+  ): Promise<ListResponse<ProviderUserBulkResponse>>;
+  abstract postProviderUserAccept(
     providerId: string,
     id: string,
     request: ProviderUserAcceptRequest,
-  ) => Promise<any>;
-  postProviderUserConfirm: (
+  ): Promise<any>;
+  abstract postProviderUserConfirm(
     providerId: string,
     id: string,
     request: ProviderUserConfirmRequest,
-  ) => Promise<any>;
-  postProviderUsersPublicKey: (
+  ): Promise<any>;
+  abstract postProviderUsersPublicKey(
     providerId: string,
     request: ProviderUserBulkRequest,
-  ) => Promise<ListResponse<ProviderUserBulkPublicKeyResponse>>;
-  postProviderUserBulkConfirm: (
+  ): Promise<ListResponse<ProviderUserBulkPublicKeyResponse>>;
+  abstract postProviderUserBulkConfirm(
     providerId: string,
     request: ProviderUserBulkConfirmRequest,
-  ) => Promise<ListResponse<ProviderUserBulkResponse>>;
-  putProviderUser: (
+  ): Promise<ListResponse<ProviderUserBulkResponse>>;
+  abstract putProviderUser(
     providerId: string,
     id: string,
     request: ProviderUserUpdateRequest,
-  ) => Promise<any>;
-  deleteProviderUser: (organizationId: string, id: string) => Promise<any>;
-  deleteManyProviderUsers: (
+  ): Promise<any>;
+  abstract deleteProviderUser(organizationId: string, id: string): Promise<any>;
+  abstract deleteManyProviderUsers(
     providerId: string,
     request: ProviderUserBulkRequest,
-  ) => Promise<ListResponse<ProviderUserBulkResponse>>;
-  getProviderClients: (
+  ): Promise<ListResponse<ProviderUserBulkResponse>>;
+  abstract getProviderClients(
     providerId: string,
-  ) => Promise<ListResponse<ProviderOrganizationOrganizationDetailsResponse>>;
-  postProviderAddOrganization: (
+  ): Promise<ListResponse<ProviderOrganizationOrganizationDetailsResponse>>;
+  abstract postProviderAddOrganization(
     providerId: string,
     request: ProviderAddOrganizationRequest,
-  ) => Promise<any>;
-  postProviderCreateOrganization: (
+  ): Promise<any>;
+  abstract postProviderCreateOrganization(
     providerId: string,
     request: ProviderOrganizationCreateRequest,
-  ) => Promise<ProviderOrganizationResponse>;
-  deleteProviderOrganization: (providerId: string, organizationId: string) => Promise<any>;
+  ): Promise<ProviderOrganizationResponse>;
+  abstract deleteProviderOrganization(providerId: string, organizationId: string): Promise<any>;
 
-  getEvents: (start: string, end: string, token: string) => Promise<ListResponse<EventResponse>>;
-  getEventsCipher: (
+  abstract getEvents(
+    start: string,
+    end: string,
+    token: string,
+  ): Promise<ListResponse<EventResponse>>;
+  abstract getEventsCipher(
     id: string,
     start: string,
     end: string,
     token: string,
-  ) => Promise<ListResponse<EventResponse>>;
-  getEventsOrganization: (
+  ): Promise<ListResponse<EventResponse>>;
+  abstract getEventsOrganization(
     id: string,
     start: string,
     end: string,
     token: string,
-  ) => Promise<ListResponse<EventResponse>>;
-  getEventsOrganizationUser: (
+  ): Promise<ListResponse<EventResponse>>;
+  abstract getEventsOrganizationUser(
     organizationId: string,
     id: string,
     start: string,
     end: string,
     token: string,
-  ) => Promise<ListResponse<EventResponse>>;
-  getEventsProvider: (
+  ): Promise<ListResponse<EventResponse>>;
+  abstract getEventsProvider(
     id: string,
     start: string,
     end: string,
     token: string,
-  ) => Promise<ListResponse<EventResponse>>;
-  getEventsProviderUser: (
+  ): Promise<ListResponse<EventResponse>>;
+  abstract getEventsProviderUser(
     providerId: string,
     id: string,
     start: string,
     end: string,
     token: string,
-  ) => Promise<ListResponse<EventResponse>>;
+  ): Promise<ListResponse<EventResponse>>;
 
   /**
    * Posts events for a user
    * @param request The array of events to upload
    * @param userId The optional user id the events belong to. If no user id is provided the active user id is used.
    */
-  postEventsCollect: (request: EventRequest[], userId?: UserId) => Promise<any>;
+  abstract postEventsCollect(request: EventRequest[], userId?: UserId): Promise<any>;
 
-  deleteSsoUser: (organizationId: string) => Promise<void>;
-  getSsoUserIdentifier: () => Promise<string>;
+  abstract deleteSsoUser(organizationId: string): Promise<void>;
+  abstract getSsoUserIdentifier(): Promise<string>;
 
-  getUserPublicKey: (id: string) => Promise<UserKeyResponse>;
+  abstract getUserPublicKey(id: string): Promise<UserKeyResponse>;
 
-  getHibpBreach: (username: string) => Promise<BreachAccountResponse[]>;
+  abstract getHibpBreach(username: string): Promise<BreachAccountResponse[]>;
 
-  postBitPayInvoice: (request: BitPayInvoiceRequest) => Promise<string>;
-  postSetupPayment: () => Promise<string>;
+  abstract postBitPayInvoice(request: BitPayInvoiceRequest): Promise<string>;
+  abstract postSetupPayment(): Promise<string>;
 
-  getActiveBearerToken: () => Promise<string>;
-  fetch: (request: Request) => Promise<Response>;
-  nativeFetch: (request: Request) => Promise<Response>;
+  abstract getActiveBearerToken(): Promise<string>;
+  abstract fetch(request: Request): Promise<Response>;
+  abstract nativeFetch(request: Request): Promise<Response>;
 
-  preValidateSso: (identifier: string) => Promise<SsoPreValidateResponse>;
+  abstract preValidateSso(identifier: string): Promise<SsoPreValidateResponse>;
 
-  postCreateSponsorship: (
+  abstract postCreateSponsorship(
     sponsorshipOrgId: string,
     request: OrganizationSponsorshipCreateRequest,
-  ) => Promise<void>;
-  getSponsorshipSyncStatus: (
+  ): Promise<void>;
+  abstract getSponsorshipSyncStatus(
     sponsoredOrgId: string,
-  ) => Promise<OrganizationSponsorshipSyncStatusResponse>;
-  deleteRemoveSponsorship: (sponsoringOrgId: string) => Promise<void>;
-  postPreValidateSponsorshipToken: (
+  ): Promise<OrganizationSponsorshipSyncStatusResponse>;
+  abstract deleteRemoveSponsorship(sponsoringOrgId: string): Promise<void>;
+  abstract postPreValidateSponsorshipToken(
     sponsorshipToken: string,
-  ) => Promise<PreValidateSponsorshipResponse>;
-  postRedeemSponsorship: (
+  ): Promise<PreValidateSponsorshipResponse>;
+  abstract postRedeemSponsorship(
     sponsorshipToken: string,
     request: OrganizationSponsorshipRedeemRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  getMasterKeyFromKeyConnector: (keyConnectorUrl: string) => Promise<KeyConnectorUserKeyResponse>;
-  postUserKeyToKeyConnector: (
+  abstract getMasterKeyFromKeyConnector(
+    keyConnectorUrl: string,
+  ): Promise<KeyConnectorUserKeyResponse>;
+  abstract postUserKeyToKeyConnector(
     keyConnectorUrl: string,
     request: KeyConnectorUserKeyRequest,
-  ) => Promise<void>;
-  getKeyConnectorAlive: (keyConnectorUrl: string) => Promise<void>;
-  getOrganizationExport: (organizationId: string) => Promise<OrganizationExportResponse>;
+  ): Promise<void>;
+  abstract getKeyConnectorAlive(keyConnectorUrl: string): Promise<void>;
+  abstract getOrganizationExport(organizationId: string): Promise<OrganizationExportResponse>;
 }
diff --git a/libs/common/src/abstractions/event/event-collection.service.ts b/libs/common/src/abstractions/event/event-collection.service.ts
index 6ca94d93a62..4f06b76c5eb 100644
--- a/libs/common/src/abstractions/event/event-collection.service.ts
+++ b/libs/common/src/abstractions/event/event-collection.service.ts
@@ -1,18 +1,16 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { EventType } from "../../enums";
 import { CipherView } from "../../vault/models/view/cipher.view";
 
 export abstract class EventCollectionService {
-  collectMany: (
+  abstract collectMany(
     eventType: EventType,
     ciphers: CipherView[],
     uploadImmediately?: boolean,
-  ) => Promise<any>;
-  collect: (
+  ): Promise<any>;
+  abstract collect(
     eventType: EventType,
     cipherId?: string,
     uploadImmediately?: boolean,
     organizationId?: string,
-  ) => Promise<any>;
+  ): Promise<any>;
 }
diff --git a/libs/common/src/abstractions/event/event-upload.service.ts b/libs/common/src/abstractions/event/event-upload.service.ts
index af2e7a77e7f..352c7cb0255 100644
--- a/libs/common/src/abstractions/event/event-upload.service.ts
+++ b/libs/common/src/abstractions/event/event-upload.service.ts
@@ -1,7 +1,5 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { UserId } from "../../types/guid";
 
 export abstract class EventUploadService {
-  uploadEvents: (userId?: UserId) => Promise<void>;
+  abstract uploadEvents(userId?: UserId): Promise<void>;
 }
diff --git a/libs/common/src/admin-console/abstractions/organization-domain/org-domain-api.service.abstraction.ts b/libs/common/src/admin-console/abstractions/organization-domain/org-domain-api.service.abstraction.ts
index 5a393ed1996..b1452c1359b 100644
--- a/libs/common/src/admin-console/abstractions/organization-domain/org-domain-api.service.abstraction.ts
+++ b/libs/common/src/admin-console/abstractions/organization-domain/org-domain-api.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { ListResponse } from "../../../models/response/list.response";
 import { OrganizationDomainRequest } from "../../services/organization-domain/requests/organization-domain.request";
 
@@ -8,19 +6,19 @@ import { OrganizationDomainResponse } from "./responses/organization-domain.resp
 import { VerifiedOrganizationDomainSsoDetailsResponse } from "./responses/verified-organization-domain-sso-details.response";
 
 export abstract class OrgDomainApiServiceAbstraction {
-  getAllByOrgId: (orgId: string) => Promise<Array<OrganizationDomainResponse>>;
-  getByOrgIdAndOrgDomainId: (
+  abstract getAllByOrgId(orgId: string): Promise<Array<OrganizationDomainResponse>>;
+  abstract getByOrgIdAndOrgDomainId(
     orgId: string,
     orgDomainId: string,
-  ) => Promise<OrganizationDomainResponse>;
-  post: (
+  ): Promise<OrganizationDomainResponse>;
+  abstract post(
     orgId: string,
     orgDomain: OrganizationDomainRequest,
-  ) => Promise<OrganizationDomainResponse>;
-  verify: (orgId: string, orgDomainId: string) => Promise<OrganizationDomainResponse>;
-  delete: (orgId: string, orgDomainId: string) => Promise<any>;
-  getClaimedOrgDomainByEmail: (email: string) => Promise<OrganizationDomainSsoDetailsResponse>;
-  getVerifiedOrgDomainsByEmail: (
+  ): Promise<OrganizationDomainResponse>;
+  abstract verify(orgId: string, orgDomainId: string): Promise<OrganizationDomainResponse>;
+  abstract delete(orgId: string, orgDomainId: string): Promise<any>;
+  abstract getClaimedOrgDomainByEmail(email: string): Promise<OrganizationDomainSsoDetailsResponse>;
+  abstract getVerifiedOrgDomainsByEmail(
     email: string,
-  ) => Promise<ListResponse<VerifiedOrganizationDomainSsoDetailsResponse>>;
+  ): Promise<ListResponse<VerifiedOrganizationDomainSsoDetailsResponse>>;
 }
diff --git a/libs/common/src/admin-console/abstractions/organization-domain/org-domain.service.abstraction.ts b/libs/common/src/admin-console/abstractions/organization-domain/org-domain.service.abstraction.ts
index 05a0b6d722f..7f08d226d15 100644
--- a/libs/common/src/admin-console/abstractions/organization-domain/org-domain.service.abstraction.ts
+++ b/libs/common/src/admin-console/abstractions/organization-domain/org-domain.service.abstraction.ts
@@ -1,22 +1,20 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { OrganizationDomainResponse } from "./responses/organization-domain.response";
 
 export abstract class OrgDomainServiceAbstraction {
-  orgDomains$: Observable<OrganizationDomainResponse[]>;
+  abstract orgDomains$: Observable<OrganizationDomainResponse[]>;
 
-  get: (orgDomainId: string) => OrganizationDomainResponse;
+  abstract get(orgDomainId: string): OrganizationDomainResponse;
 
-  copyDnsTxt: (dnsTxt: string) => void;
+  abstract copyDnsTxt(dnsTxt: string): void;
 }
 
 // Note: this separate class is designed to hold methods that are not
 // meant to be used in components (e.g., data write methods)
 export abstract class OrgDomainInternalServiceAbstraction extends OrgDomainServiceAbstraction {
-  upsert: (orgDomains: OrganizationDomainResponse[]) => void;
-  replace: (orgDomains: OrganizationDomainResponse[]) => void;
-  clearCache: () => void;
-  delete: (orgDomainIds: string[]) => void;
+  abstract upsert(orgDomains: OrganizationDomainResponse[]): void;
+  abstract replace(orgDomains: OrganizationDomainResponse[]): void;
+  abstract clearCache(): void;
+  abstract delete(orgDomainIds: string[]): void;
 }
diff --git a/libs/common/src/admin-console/abstractions/organization/organization-api.service.abstraction.ts b/libs/common/src/admin-console/abstractions/organization/organization-api.service.abstraction.ts
index 000d1655416..10626d6758f 100644
--- a/libs/common/src/admin-console/abstractions/organization/organization-api.service.abstraction.ts
+++ b/libs/common/src/admin-console/abstractions/organization/organization-api.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { OrganizationApiKeyRequest } from "../../../admin-console/models/request/organization-api-key.request";
 import { OrganizationSsoRequest } from "../../../auth/models/request/organization-sso.request";
 import { SecretVerificationRequest } from "../../../auth/models/request/secret-verification.request";
@@ -34,60 +32,66 @@ import { OrganizationKeysResponse } from "../../models/response/organization-key
 import { OrganizationResponse } from "../../models/response/organization.response";
 import { ProfileOrganizationResponse } from "../../models/response/profile-organization.response";
 
-export class OrganizationApiServiceAbstraction {
-  get: (id: string) => Promise<OrganizationResponse>;
-  getBilling: (id: string) => Promise<BillingResponse>;
-  getBillingHistory: (id: string) => Promise<BillingHistoryResponse>;
-  getSubscription: (id: string) => Promise<OrganizationSubscriptionResponse>;
-  getLicense: (id: string, installationId: string) => Promise<unknown>;
-  getAutoEnrollStatus: (identifier: string) => Promise<OrganizationAutoEnrollStatusResponse>;
-  create: (request: OrganizationCreateRequest) => Promise<OrganizationResponse>;
-  createWithoutPayment: (
+export abstract class OrganizationApiServiceAbstraction {
+  abstract get(id: string): Promise<OrganizationResponse>;
+  abstract getBilling(id: string): Promise<BillingResponse>;
+  abstract getBillingHistory(id: string): Promise<BillingHistoryResponse>;
+  abstract getSubscription(id: string): Promise<OrganizationSubscriptionResponse>;
+  abstract getLicense(id: string, installationId: string): Promise<unknown>;
+  abstract getAutoEnrollStatus(identifier: string): Promise<OrganizationAutoEnrollStatusResponse>;
+  abstract create(request: OrganizationCreateRequest): Promise<OrganizationResponse>;
+  abstract createWithoutPayment(
     request: OrganizationNoPaymentMethodCreateRequest,
-  ) => Promise<OrganizationResponse>;
-  createLicense: (data: FormData) => Promise<OrganizationResponse>;
-  save: (id: string, request: OrganizationUpdateRequest) => Promise<OrganizationResponse>;
-  updatePayment: (id: string, request: PaymentRequest) => Promise<void>;
-  upgrade: (id: string, request: OrganizationUpgradeRequest) => Promise<PaymentResponse>;
-  updatePasswordManagerSeats: (
+  ): Promise<OrganizationResponse>;
+  abstract createLicense(data: FormData): Promise<OrganizationResponse>;
+  abstract save(id: string, request: OrganizationUpdateRequest): Promise<OrganizationResponse>;
+  abstract updatePayment(id: string, request: PaymentRequest): Promise<void>;
+  abstract upgrade(id: string, request: OrganizationUpgradeRequest): Promise<PaymentResponse>;
+  abstract updatePasswordManagerSeats(
     id: string,
     request: OrganizationSubscriptionUpdateRequest,
-  ) => Promise<ProfileOrganizationResponse>;
-  updateSecretsManagerSubscription: (
+  ): Promise<ProfileOrganizationResponse>;
+  abstract updateSecretsManagerSubscription(
     id: string,
     request: OrganizationSmSubscriptionUpdateRequest,
-  ) => Promise<ProfileOrganizationResponse>;
-  updateSeats: (id: string, request: SeatRequest) => Promise<PaymentResponse>;
-  updateStorage: (id: string, request: StorageRequest) => Promise<PaymentResponse>;
-  verifyBank: (id: string, request: VerifyBankRequest) => Promise<void>;
-  reinstate: (id: string) => Promise<void>;
-  leave: (id: string) => Promise<void>;
-  delete: (id: string, request: SecretVerificationRequest) => Promise<void>;
-  deleteUsingToken: (
+  ): Promise<ProfileOrganizationResponse>;
+  abstract updateSeats(id: string, request: SeatRequest): Promise<PaymentResponse>;
+  abstract updateStorage(id: string, request: StorageRequest): Promise<PaymentResponse>;
+  abstract verifyBank(id: string, request: VerifyBankRequest): Promise<void>;
+  abstract reinstate(id: string): Promise<void>;
+  abstract leave(id: string): Promise<void>;
+  abstract delete(id: string, request: SecretVerificationRequest): Promise<void>;
+  abstract deleteUsingToken(
     organizationId: string,
     request: OrganizationVerifyDeleteRecoverRequest,
-  ) => Promise<any>;
-  updateLicense: (id: string, data: FormData) => Promise<void>;
-  importDirectory: (organizationId: string, request: ImportDirectoryRequest) => Promise<void>;
-  getOrCreateApiKey: (id: string, request: OrganizationApiKeyRequest) => Promise<ApiKeyResponse>;
-  getApiKeyInformation: (
+  ): Promise<any>;
+  abstract updateLicense(id: string, data: FormData): Promise<void>;
+  abstract importDirectory(organizationId: string, request: ImportDirectoryRequest): Promise<void>;
+  abstract getOrCreateApiKey(
+    id: string,
+    request: OrganizationApiKeyRequest,
+  ): Promise<ApiKeyResponse>;
+  abstract getApiKeyInformation(
     id: string,
     organizationApiKeyType?: OrganizationApiKeyType,
-  ) => Promise<ListResponse<OrganizationApiKeyInformationResponse>>;
-  rotateApiKey: (id: string, request: OrganizationApiKeyRequest) => Promise<ApiKeyResponse>;
-  getTaxInfo: (id: string) => Promise<TaxInfoResponse>;
-  updateTaxInfo: (id: string, request: ExpandedTaxInfoUpdateRequest) => Promise<void>;
-  getKeys: (id: string) => Promise<OrganizationKeysResponse>;
-  updateKeys: (id: string, request: OrganizationKeysRequest) => Promise<OrganizationKeysResponse>;
-  getSso: (id: string) => Promise<OrganizationSsoResponse>;
-  updateSso: (id: string, request: OrganizationSsoRequest) => Promise<OrganizationSsoResponse>;
-  selfHostedSyncLicense: (id: string) => Promise<void>;
-  subscribeToSecretsManager: (
+  ): Promise<ListResponse<OrganizationApiKeyInformationResponse>>;
+  abstract rotateApiKey(id: string, request: OrganizationApiKeyRequest): Promise<ApiKeyResponse>;
+  abstract getTaxInfo(id: string): Promise<TaxInfoResponse>;
+  abstract updateTaxInfo(id: string, request: ExpandedTaxInfoUpdateRequest): Promise<void>;
+  abstract getKeys(id: string): Promise<OrganizationKeysResponse>;
+  abstract updateKeys(
+    id: string,
+    request: OrganizationKeysRequest,
+  ): Promise<OrganizationKeysResponse>;
+  abstract getSso(id: string): Promise<OrganizationSsoResponse>;
+  abstract updateSso(id: string, request: OrganizationSsoRequest): Promise<OrganizationSsoResponse>;
+  abstract selfHostedSyncLicense(id: string): Promise<void>;
+  abstract subscribeToSecretsManager(
     id: string,
     request: SecretsManagerSubscribeRequest,
-  ) => Promise<ProfileOrganizationResponse>;
-  updateCollectionManagement: (
+  ): Promise<ProfileOrganizationResponse>;
+  abstract updateCollectionManagement(
     id: string,
     request: OrganizationCollectionManagementUpdateRequest,
-  ) => Promise<OrganizationResponse>;
+  ): Promise<OrganizationResponse>;
 }
diff --git a/libs/common/src/admin-console/abstractions/organization/organization.service.abstraction.ts b/libs/common/src/admin-console/abstractions/organization/organization.service.abstraction.ts
index 05c214ece13..770cfd0011d 100644
--- a/libs/common/src/admin-console/abstractions/organization/organization.service.abstraction.ts
+++ b/libs/common/src/admin-console/abstractions/organization/organization.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { map, Observable } from "rxjs";
 
 import { UserId } from "../../../types/guid";
@@ -68,20 +66,20 @@ export abstract class OrganizationService {
    * Publishes state for all organizations under the specified user.
    * @returns An observable list of organizations
    */
-  organizations$: (userId: UserId) => Observable<Organization[]>;
+  abstract organizations$(userId: UserId): Observable<Organization[]>;
 
   // @todo Clean these up. Continuing to expand them is not recommended.
   // @see https://bitwarden.atlassian.net/browse/AC-2252
-  memberOrganizations$: (userId: UserId) => Observable<Organization[]>;
+  abstract memberOrganizations$(userId: UserId): Observable<Organization[]>;
   /**
    * Emits true if the user can create or manage a Free Bitwarden Families sponsorship.
    */
-  canManageSponsorships$: (userId: UserId) => Observable<boolean>;
+  abstract canManageSponsorships$(userId: UserId): Observable<boolean>;
   /**
    * Emits true if any of the user's organizations have a Free Bitwarden Families sponsorship available.
    */
-  familySponsorshipAvailable$: (userId: UserId) => Observable<boolean>;
-  hasOrganizations: (userId: UserId) => Observable<boolean>;
+  abstract familySponsorshipAvailable$(userId: UserId): Observable<boolean>;
+  abstract hasOrganizations(userId: UserId): Observable<boolean>;
 }
 
 /**
@@ -96,7 +94,7 @@ export abstract class InternalOrganizationServiceAbstraction extends Organizatio
    * @param organization The organization state being saved.
    * @param userId The userId to replace state for.
    */
-  upsert: (OrganizationData: OrganizationData, userId: UserId) => Promise<void>;
+  abstract upsert(OrganizationData: OrganizationData, userId: UserId): Promise<void>;
 
   /**
    * Replaces state for the entire registered organization list for the specified user.
@@ -107,5 +105,8 @@ export abstract class InternalOrganizationServiceAbstraction extends Organizatio
    * user.
    * @param userId The userId to replace state for.
    */
-  replace: (organizations: { [id: string]: OrganizationData }, userId: UserId) => Promise<void>;
+  abstract replace(
+    organizations: { [id: string]: OrganizationData },
+    userId: UserId,
+  ): Promise<void>;
 }
diff --git a/libs/common/src/admin-console/abstractions/provider.service.ts b/libs/common/src/admin-console/abstractions/provider.service.ts
index 0cd21174ea1..340156020ff 100644
--- a/libs/common/src/admin-console/abstractions/provider.service.ts
+++ b/libs/common/src/admin-console/abstractions/provider.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { UserId } from "../../types/guid";
@@ -7,8 +5,8 @@ import { ProviderData } from "../models/data/provider.data";
 import { Provider } from "../models/domain/provider";
 
 export abstract class ProviderService {
-  get$: (id: string) => Observable<Provider>;
-  get: (id: string) => Promise<Provider>;
-  getAll: () => Promise<Provider[]>;
-  save: (providers: { [id: string]: ProviderData }, userId?: UserId) => Promise<any>;
+  abstract get$(id: string): Observable<Provider>;
+  abstract get(id: string): Promise<Provider>;
+  abstract getAll(): Promise<Provider[]>;
+  abstract save(providers: { [id: string]: ProviderData }, userId?: UserId): Promise<any>;
 }
diff --git a/libs/common/src/admin-console/abstractions/provider/provider-api.service.abstraction.ts b/libs/common/src/admin-console/abstractions/provider/provider-api.service.abstraction.ts
index ffe79f0ad3b..f998fdc8ab7 100644
--- a/libs/common/src/admin-console/abstractions/provider/provider-api.service.abstraction.ts
+++ b/libs/common/src/admin-console/abstractions/provider/provider-api.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { AddableOrganizationResponse } from "@bitwarden/common/admin-console/models/response/addable-organization.response";
 
 import { ProviderSetupRequest } from "../../models/request/provider/provider-setup.request";
@@ -7,21 +5,23 @@ import { ProviderUpdateRequest } from "../../models/request/provider/provider-up
 import { ProviderVerifyRecoverDeleteRequest } from "../../models/request/provider/provider-verify-recover-delete.request";
 import { ProviderResponse } from "../../models/response/provider/provider.response";
 
-export class ProviderApiServiceAbstraction {
-  postProviderSetup: (id: string, request: ProviderSetupRequest) => Promise<ProviderResponse>;
-  getProvider: (id: string) => Promise<ProviderResponse>;
-  putProvider: (id: string, request: ProviderUpdateRequest) => Promise<ProviderResponse>;
-  providerRecoverDeleteToken: (
+export abstract class ProviderApiServiceAbstraction {
+  abstract postProviderSetup(id: string, request: ProviderSetupRequest): Promise<ProviderResponse>;
+  abstract getProvider(id: string): Promise<ProviderResponse>;
+  abstract putProvider(id: string, request: ProviderUpdateRequest): Promise<ProviderResponse>;
+  abstract providerRecoverDeleteToken(
     organizationId: string,
     request: ProviderVerifyRecoverDeleteRequest,
-  ) => Promise<any>;
-  deleteProvider: (id: string) => Promise<void>;
-  getProviderAddableOrganizations: (providerId: string) => Promise<AddableOrganizationResponse[]>;
-  addOrganizationToProvider: (
+  ): Promise<any>;
+  abstract deleteProvider(id: string): Promise<void>;
+  abstract getProviderAddableOrganizations(
+    providerId: string,
+  ): Promise<AddableOrganizationResponse[]>;
+  abstract addOrganizationToProvider(
     providerId: string,
     request: {
       key: string;
       organizationId: string;
     },
-  ) => Promise<void>;
+  ): Promise<void>;
 }
diff --git a/libs/common/src/auth/abstractions/account.service.ts b/libs/common/src/auth/abstractions/account.service.ts
index 1686eefda06..a3dabeecf8a 100644
--- a/libs/common/src/auth/abstractions/account.service.ts
+++ b/libs/common/src/auth/abstractions/account.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { UserId } from "../../types/guid";
@@ -35,20 +33,20 @@ export function accountInfoEqual(a: AccountInfo, b: AccountInfo) {
 }
 
 export abstract class AccountService {
-  accounts$: Observable<Record<UserId, AccountInfo>>;
+  abstract accounts$: Observable<Record<UserId, AccountInfo>>;
 
-  activeAccount$: Observable<Account | null>;
+  abstract activeAccount$: Observable<Account | null>;
 
   /**
    * Observable of the last activity time for each account.
    */
-  accountActivity$: Observable<Record<UserId, Date>>;
+  abstract accountActivity$: Observable<Record<UserId, Date>>;
   /** Observable of the new device login verification property for the account. */
-  accountVerifyNewDeviceLogin$: Observable<boolean>;
+  abstract accountVerifyNewDeviceLogin$: Observable<boolean>;
   /** Account list in order of descending recency */
-  sortedUserIds$: Observable<UserId[]>;
+  abstract sortedUserIds$: Observable<UserId[]>;
   /** Next account that is not the current active account */
-  nextUpAccount$: Observable<Account>;
+  abstract nextUpAccount$: Observable<Account>;
   /**
    * Updates the `accounts$` observable with the new account data.
    *
diff --git a/libs/common/src/auth/abstractions/anonymous-hub.service.ts b/libs/common/src/auth/abstractions/anonymous-hub.service.ts
index 8e705d67bfe..624a3a04d53 100644
--- a/libs/common/src/auth/abstractions/anonymous-hub.service.ts
+++ b/libs/common/src/auth/abstractions/anonymous-hub.service.ts
@@ -1,6 +1,4 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 export abstract class AnonymousHubService {
-  createHubConnection: (token: string) => Promise<void>;
-  stopHubConnection: () => Promise<void>;
+  abstract createHubConnection(token: string): Promise<void>;
+  abstract stopHubConnection(): Promise<void>;
 }
diff --git a/libs/common/src/auth/abstractions/avatar.service.ts b/libs/common/src/auth/abstractions/avatar.service.ts
index 89729aa3712..bd2c382e610 100644
--- a/libs/common/src/auth/abstractions/avatar.service.ts
+++ b/libs/common/src/auth/abstractions/avatar.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { UserId } from "../../types/guid";
@@ -9,7 +7,7 @@ export abstract class AvatarService {
    * An observable monitoring the active user's avatar color.
    * The observable updates when the avatar color changes.
    */
-  avatarColor$: Observable<string | null>;
+  abstract avatarColor$: Observable<string | null>;
   /**
    * Sets the avatar color of the active user
    *
diff --git a/libs/common/src/auth/abstractions/devices-api.service.abstraction.ts b/libs/common/src/auth/abstractions/devices-api.service.abstraction.ts
index cf6cdaefd85..54971a443b7 100644
--- a/libs/common/src/auth/abstractions/devices-api.service.abstraction.ts
+++ b/libs/common/src/auth/abstractions/devices-api.service.abstraction.ts
@@ -1,47 +1,45 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { ListResponse } from "../../models/response/list.response";
 import { DeviceResponse } from "../abstractions/devices/responses/device.response";
 import { UpdateDevicesTrustRequest } from "../models/request/update-devices-trust.request";
 import { ProtectedDeviceResponse } from "../models/response/protected-device.response";
 
 export abstract class DevicesApiServiceAbstraction {
-  getKnownDevice: (email: string, deviceIdentifier: string) => Promise<boolean>;
+  abstract getKnownDevice(email: string, deviceIdentifier: string): Promise<boolean>;
 
-  getDeviceByIdentifier: (deviceIdentifier: string) => Promise<DeviceResponse>;
+  abstract getDeviceByIdentifier(deviceIdentifier: string): Promise<DeviceResponse>;
 
-  getDevices: () => Promise<ListResponse<DeviceResponse>>;
+  abstract getDevices(): Promise<ListResponse<DeviceResponse>>;
 
-  updateTrustedDeviceKeys: (
+  abstract updateTrustedDeviceKeys(
     deviceIdentifier: string,
     devicePublicKeyEncryptedUserKey: string,
     userKeyEncryptedDevicePublicKey: string,
     deviceKeyEncryptedDevicePrivateKey: string,
-  ) => Promise<DeviceResponse>;
+  ): Promise<DeviceResponse>;
 
-  updateTrust: (
+  abstract updateTrust(
     updateDevicesTrustRequestModel: UpdateDevicesTrustRequest,
     deviceIdentifier: string,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  getDeviceKeys: (deviceIdentifier: string) => Promise<ProtectedDeviceResponse>;
+  abstract getDeviceKeys(deviceIdentifier: string): Promise<ProtectedDeviceResponse>;
 
   /**
    * Notifies the server that the device has a device key, but didn't receive any associated decryption keys.
    * Note: For debugging purposes only.
    * @param deviceIdentifier - current device identifier
    */
-  postDeviceTrustLoss: (deviceIdentifier: string) => Promise<void>;
+  abstract postDeviceTrustLoss(deviceIdentifier: string): Promise<void>;
 
   /**
    * Deactivates a device
    * @param deviceId - The device ID
    */
-  deactivateDevice: (deviceId: string) => Promise<void>;
+  abstract deactivateDevice(deviceId: string): Promise<void>;
 
   /**
    * Removes trust from a list of devices
    * @param deviceIds - The device IDs to be untrusted
    */
-  untrustDevices: (deviceIds: string[]) => Promise<void>;
+  abstract untrustDevices(deviceIds: string[]): Promise<void>;
 }
diff --git a/libs/common/src/auth/abstractions/token.service.ts b/libs/common/src/auth/abstractions/token.service.ts
index 0c8db6fdcd1..2139f32fca2 100644
--- a/libs/common/src/auth/abstractions/token.service.ts
+++ b/libs/common/src/auth/abstractions/token.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { VaultTimeout, VaultTimeoutAction } from "../../key-management/vault-timeout";
@@ -27,20 +25,20 @@ export abstract class TokenService {
    *
    * @returns A promise that resolves with the SetTokensResult containing the tokens that were set.
    */
-  setTokens: (
+  abstract setTokens(
     accessToken: string,
     vaultTimeoutAction: VaultTimeoutAction,
     vaultTimeout: VaultTimeout,
     refreshToken?: string,
     clientIdClientSecret?: [string, string],
-  ) => Promise<SetTokensResult>;
+  ): Promise<SetTokensResult>;
 
   /**
    * Clears the access token, refresh token, API Key Client ID, and API Key Client Secret out of memory, disk, and secure storage if supported.
    * @param userId The optional user id to clear the tokens for; if not provided, the active user id is used.
    * @returns A promise that resolves when the tokens have been cleared.
    */
-  clearTokens: (userId?: UserId) => Promise<void>;
+  abstract clearTokens(userId?: UserId): Promise<void>;
 
   /**
    * Sets the access token in memory or disk based on the given vaultTimeoutAction and vaultTimeout
@@ -51,11 +49,11 @@ export abstract class TokenService {
    * @param vaultTimeout The timeout for the vault.
    * @returns A promise that resolves with the access token that has been set.
    */
-  setAccessToken: (
+  abstract setAccessToken(
     accessToken: string,
     vaultTimeoutAction: VaultTimeoutAction,
     vaultTimeout: VaultTimeout,
-  ) => Promise<string>;
+  ): Promise<string>;
 
   // TODO: revisit having this public clear method approach once the state service is fully deprecated.
   /**
@@ -67,21 +65,21 @@ export abstract class TokenService {
    * pass in the vaultTimeoutAction and vaultTimeout.
    * This avoids a circular dependency between the StateService, TokenService, and VaultTimeoutSettingsService.
    */
-  clearAccessToken: (userId?: UserId) => Promise<void>;
+  abstract clearAccessToken(userId?: UserId): Promise<void>;
 
   /**
    * Gets the access token
    * @param userId - The optional user id to get the access token for; if not provided, the active user is used.
    * @returns A promise that resolves with the access token or null.
    */
-  getAccessToken: (userId?: UserId) => Promise<string | null>;
+  abstract getAccessToken(userId?: UserId): Promise<string | null>;
 
   /**
    * Gets the refresh token.
    * @param userId - The optional user id to get the refresh token for; if not provided, the active user is used.
    * @returns A promise that resolves with the refresh token or null.
    */
-  getRefreshToken: (userId?: UserId) => Promise<string | null>;
+  abstract getRefreshToken(userId?: UserId): Promise<string | null>;
 
   /**
    * Sets the API Key Client ID for the active user id in memory or disk based on the given vaultTimeoutAction and vaultTimeout.
@@ -90,18 +88,18 @@ export abstract class TokenService {
    * @param vaultTimeout The timeout for the vault.
    * @returns A promise that resolves with the API Key Client ID that has been set.
    */
-  setClientId: (
+  abstract setClientId(
     clientId: string,
     vaultTimeoutAction: VaultTimeoutAction,
     vaultTimeout: VaultTimeout,
     userId?: UserId,
-  ) => Promise<string>;
+  ): Promise<string>;
 
   /**
    * Gets the API Key Client ID for the active user.
    * @returns A promise that resolves with the API Key Client ID or undefined
    */
-  getClientId: (userId?: UserId) => Promise<string | undefined>;
+  abstract getClientId(userId?: UserId): Promise<string | undefined>;
 
   /**
    * Sets the API Key Client Secret for the active user id in memory or disk based on the given vaultTimeoutAction and vaultTimeout.
@@ -110,18 +108,18 @@ export abstract class TokenService {
    * @param vaultTimeout The timeout for the vault.
    * @returns A promise that resolves with the client secret that has been set.
    */
-  setClientSecret: (
+  abstract setClientSecret(
     clientSecret: string,
     vaultTimeoutAction: VaultTimeoutAction,
     vaultTimeout: VaultTimeout,
     userId?: UserId,
-  ) => Promise<string>;
+  ): Promise<string>;
 
   /**
    * Gets the API Key Client Secret for the active user.
    * @returns A promise that resolves with the API Key Client Secret or undefined
    */
-  getClientSecret: (userId?: UserId) => Promise<string | undefined>;
+  abstract getClientSecret(userId?: UserId): Promise<string | undefined>;
 
   /**
    * Sets the two factor token for the given email in global state.
@@ -131,21 +129,21 @@ export abstract class TokenService {
    * @param twoFactorToken The two factor token to set.
    * @returns A promise that resolves when the two factor token has been set.
    */
-  setTwoFactorToken: (email: string, twoFactorToken: string) => Promise<void>;
+  abstract setTwoFactorToken(email: string, twoFactorToken: string): Promise<void>;
 
   /**
    * Gets the two factor token for the given email.
    * @param email The email to get the two factor token for.
    * @returns A promise that resolves with the two factor token for the given email or null if it isn't found.
    */
-  getTwoFactorToken: (email: string) => Promise<string | null>;
+  abstract getTwoFactorToken(email: string): Promise<string | null>;
 
   /**
    * Clears the two factor token for the given email out of global state.
    * @param email The email to clear the two factor token for.
    * @returns A promise that resolves when the two factor token has been cleared.
    */
-  clearTwoFactorToken: (email: string) => Promise<void>;
+  abstract clearTwoFactorToken(email: string): Promise<void>;
 
   /**
    * Decodes the access token.
@@ -153,13 +151,13 @@ export abstract class TokenService {
    * If null, the currently active user's token is used.
    * @returns A promise that resolves with the decoded access token.
    */
-  decodeAccessToken: (tokenOrUserId?: string | UserId) => Promise<DecodedAccessToken>;
+  abstract decodeAccessToken(tokenOrUserId?: string | UserId): Promise<DecodedAccessToken>;
 
   /**
    * Gets the expiration date for the access token. Returns if token can't be decoded or has no expiration
    * @returns A promise that resolves with the expiration date for the access token.
    */
-  getTokenExpirationDate: () => Promise<Date | null>;
+  abstract getTokenExpirationDate(): Promise<Date | null>;
 
   /**
    * Calculates the adjusted time in seconds until the access token expires, considering an optional offset.
@@ -170,58 +168,58 @@ export abstract class TokenService {
    * based on the actual expiration.
    * @returns {Promise<number>} Promise resolving to the adjusted seconds remaining.
    */
-  tokenSecondsRemaining: (offsetSeconds?: number) => Promise<number>;
+  abstract tokenSecondsRemaining(offsetSeconds?: number): Promise<number>;
 
   /**
    * Checks if the access token needs to be refreshed.
    * @param {number} [minutes=5] - Optional number of minutes before the access token expires to consider refreshing it.
    * @returns A promise that resolves with a boolean indicating if the access token needs to be refreshed.
    */
-  tokenNeedsRefresh: (minutes?: number) => Promise<boolean>;
+  abstract tokenNeedsRefresh(minutes?: number): Promise<boolean>;
 
   /**
    * Gets the user id for the active user from the access token.
    * @returns A promise that resolves with the user id for the active user.
    * @deprecated Use AccountService.activeAccount$ instead.
    */
-  getUserId: () => Promise<UserId>;
+  abstract getUserId(): Promise<UserId>;
 
   /**
    * Gets the email for the active user from the access token.
    * @returns A promise that resolves with the email for the active user.
    * @deprecated Use AccountService.activeAccount$ instead.
    */
-  getEmail: () => Promise<string>;
+  abstract getEmail(): Promise<string>;
 
   /**
    * Gets the email verified status for the active user from the access token.
    * @returns A promise that resolves with the email verified status for the active user.
    */
-  getEmailVerified: () => Promise<boolean>;
+  abstract getEmailVerified(): Promise<boolean>;
 
   /**
    * Gets the name for the active user from the access token.
    * @returns A promise that resolves with the name for the active user.
    * @deprecated Use AccountService.activeAccount$ instead.
    */
-  getName: () => Promise<string>;
+  abstract getName(): Promise<string>;
 
   /**
    * Gets the issuer for the active user from the access token.
    * @returns A promise that resolves with the issuer for the active user.
    */
-  getIssuer: () => Promise<string>;
+  abstract getIssuer(): Promise<string>;
 
   /**
    * Gets whether or not the user authenticated via an external mechanism.
    * @param userId The optional user id to check for external authN status; if not provided, the active user is used.
    * @returns A promise that resolves with a boolean representing the user's external authN status.
    */
-  getIsExternal: (userId: UserId) => Promise<boolean>;
+  abstract getIsExternal(userId: UserId): Promise<boolean>;
 
   /** Gets the active or passed in user's security stamp */
-  getSecurityStamp: (userId?: UserId) => Promise<string | null>;
+  abstract getSecurityStamp(userId?: UserId): Promise<string | null>;
 
   /** Sets the security stamp for the active or passed in user */
-  setSecurityStamp: (securityStamp: string, userId?: UserId) => Promise<void>;
+  abstract setSecurityStamp(securityStamp: string, userId?: UserId): Promise<void>;
 }
diff --git a/libs/common/src/auth/abstractions/user-verification/user-verification-api.service.abstraction.ts b/libs/common/src/auth/abstractions/user-verification/user-verification-api.service.abstraction.ts
index 42abc794061..275df417df2 100644
--- a/libs/common/src/auth/abstractions/user-verification/user-verification-api.service.abstraction.ts
+++ b/libs/common/src/auth/abstractions/user-verification/user-verification-api.service.abstraction.ts
@@ -1,13 +1,11 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { SecretVerificationRequest } from "../../models/request/secret-verification.request";
 import { VerifyOTPRequest } from "../../models/request/verify-otp.request";
 import { MasterPasswordPolicyResponse } from "../../models/response/master-password-policy.response";
 
 export abstract class UserVerificationApiServiceAbstraction {
-  postAccountVerifyOTP: (request: VerifyOTPRequest) => Promise<void>;
-  postAccountRequestOTP: () => Promise<void>;
-  postAccountVerifyPassword: (
+  abstract postAccountVerifyOTP(request: VerifyOTPRequest): Promise<void>;
+  abstract postAccountRequestOTP(): Promise<void>;
+  abstract postAccountVerifyPassword(
     request: SecretVerificationRequest,
-  ) => Promise<MasterPasswordPolicyResponse>;
+  ): Promise<MasterPasswordPolicyResponse>;
 }
diff --git a/libs/common/src/auth/abstractions/user-verification/user-verification.service.abstraction.ts b/libs/common/src/auth/abstractions/user-verification/user-verification.service.abstraction.ts
index 2d39854f8d9..d9749d9467c 100644
--- a/libs/common/src/auth/abstractions/user-verification/user-verification.service.abstraction.ts
+++ b/libs/common/src/auth/abstractions/user-verification/user-verification.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { UserId } from "../../../types/guid";
 import { SecretVerificationRequest } from "../../models/request/secret-verification.request";
 import { UserVerificationOptions } from "../../types/user-verification-options";
@@ -16,9 +14,9 @@ export abstract class UserVerificationService {
    * @param verificationType Type of verification to restrict the options to
    * @returns Available verification options for the user
    */
-  getAvailableVerificationOptions: (
+  abstract getAvailableVerificationOptions(
     verificationType: keyof UserVerificationOptions,
-  ) => Promise<UserVerificationOptions>;
+  ): Promise<UserVerificationOptions>;
   /**
    * Create a new request model to be used for server-side verification
    * @param verification User-supplied verification data (Master Password or OTP)
@@ -26,11 +24,11 @@ export abstract class UserVerificationService {
    * @param alreadyHashed Whether the master password is already hashed
    * @throws Error if the verification data is invalid
    */
-  buildRequest: <T extends SecretVerificationRequest>(
+  abstract buildRequest<T extends SecretVerificationRequest>(
     verification: Verification,
     requestClass?: new () => T,
     alreadyHashed?: boolean,
-  ) => Promise<T>;
+  ): Promise<T>;
   /**
    * Verifies the user using the provided verification data.
    * PIN or biometrics are verified client-side.
@@ -39,11 +37,11 @@ export abstract class UserVerificationService {
    * @param verification User-supplied verification data (OTP, MP, PIN, or biometrics)
    * @throws Error if the verification data is invalid or the verification fails
    */
-  verifyUser: (verification: Verification) => Promise<boolean>;
+  abstract verifyUser(verification: Verification): Promise<boolean>;
   /**
    * Request a one-time password (OTP) to be sent to the user's email
    */
-  requestOTP: () => Promise<void>;
+  abstract requestOTP(): Promise<void>;
   /**
    * Check if user has master password or can only use passwordless technologies to log in
    * Note: This only checks the server, not the local state
@@ -51,13 +49,13 @@ export abstract class UserVerificationService {
    * @returns True if the user has a master password
    * @deprecated Use UserDecryptionOptionsService.hasMasterPassword$ instead
    */
-  hasMasterPassword: (userId?: string) => Promise<boolean>;
+  abstract hasMasterPassword(userId?: string): Promise<boolean>;
   /**
    * Check if the user has a master password and has used it during their current session
    * @param userId The user id to check. If not provided, the current user id used
    * @returns True if the user has a master password and has used it in the current session
    */
-  hasMasterPasswordAndMasterKeyHash: (userId?: string) => Promise<boolean>;
+  abstract hasMasterPasswordAndMasterKeyHash(userId?: string): Promise<boolean>;
   /**
    * Verifies the user using the provided master password.
    * Attempts to verify client-side first, then server-side if necessary.
@@ -68,9 +66,9 @@ export abstract class UserVerificationService {
    * @throws Error if the master password is invalid
    * @returns An object containing the master key, and master password policy options if verified on server.
    */
-  verifyUserByMasterPassword: (
+  abstract verifyUserByMasterPassword(
     verification: MasterPasswordVerification,
     userId: UserId,
     email: string,
-  ) => Promise<MasterPasswordVerificationResponse>;
+  ): Promise<MasterPasswordVerificationResponse>;
 }
diff --git a/libs/common/src/auth/abstractions/webauthn/webauthn-login-api.service.abstraction.ts b/libs/common/src/auth/abstractions/webauthn/webauthn-login-api.service.abstraction.ts
index ca87710d22f..1e0fc124755 100644
--- a/libs/common/src/auth/abstractions/webauthn/webauthn-login-api.service.abstraction.ts
+++ b/libs/common/src/auth/abstractions/webauthn/webauthn-login-api.service.abstraction.ts
@@ -1,7 +1,5 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { CredentialAssertionOptionsResponse } from "../../services/webauthn-login/response/credential-assertion-options.response";
 
-export class WebAuthnLoginApiServiceAbstraction {
-  getCredentialAssertionOptions: () => Promise<CredentialAssertionOptionsResponse>;
+export abstract class WebAuthnLoginApiServiceAbstraction {
+  abstract getCredentialAssertionOptions(): Promise<CredentialAssertionOptionsResponse>;
 }
diff --git a/libs/common/src/auth/abstractions/webauthn/webauthn-login-prf-key.service.abstraction.ts b/libs/common/src/auth/abstractions/webauthn/webauthn-login-prf-key.service.abstraction.ts
index 5de89313ecc..d47b7ccbcef 100644
--- a/libs/common/src/auth/abstractions/webauthn/webauthn-login-prf-key.service.abstraction.ts
+++ b/libs/common/src/auth/abstractions/webauthn/webauthn-login-prf-key.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { PrfKey } from "../../../types/key";
 
 /**
@@ -9,11 +7,11 @@ export abstract class WebAuthnLoginPrfKeyServiceAbstraction {
   /**
    * Get the salt used to generate the PRF-output used when logging in with WebAuthn.
    */
-  getLoginWithPrfSalt: () => Promise<ArrayBuffer>;
+  abstract getLoginWithPrfSalt(): Promise<ArrayBuffer>;
 
   /**
    * Create a symmetric key from the PRF-output by stretching it.
    * This should be used as `ExternalKey` with `RotateableKeySet`.
    */
-  createSymmetricKeyFromPrf: (prf: ArrayBuffer) => Promise<PrfKey>;
+  abstract createSymmetricKeyFromPrf(prf: ArrayBuffer): Promise<PrfKey>;
 }
diff --git a/libs/common/src/auth/abstractions/webauthn/webauthn-login.service.abstraction.ts b/libs/common/src/auth/abstractions/webauthn/webauthn-login.service.abstraction.ts
index 8e6ffae27a8..c482b1a214e 100644
--- a/libs/common/src/auth/abstractions/webauthn/webauthn-login.service.abstraction.ts
+++ b/libs/common/src/auth/abstractions/webauthn/webauthn-login.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { AuthResult } from "../../models/domain/auth-result";
 import { WebAuthnLoginCredentialAssertionOptionsView } from "../../models/view/webauthn-login/webauthn-login-credential-assertion-options.view";
 import { WebAuthnLoginCredentialAssertionView } from "../../models/view/webauthn-login/webauthn-login-credential-assertion.view";
@@ -14,7 +12,7 @@ export abstract class WebAuthnLoginServiceAbstraction {
    * (whether FIDO2 user verification is required, the relying party id, timeout duration for the process to complete, etc.)
    * for the authenticator.
    */
-  getCredentialAssertionOptions: () => Promise<WebAuthnLoginCredentialAssertionOptionsView>;
+  abstract getCredentialAssertionOptions(): Promise<WebAuthnLoginCredentialAssertionOptionsView>;
 
   /**
    * Asserts the credential. This involves user interaction with the authenticator
@@ -27,9 +25,9 @@ export abstract class WebAuthnLoginServiceAbstraction {
    * @returns {WebAuthnLoginCredentialAssertionView} The assertion obtained from the authenticator.
    * If the assertion is not successfully obtained, it returns undefined.
    */
-  assertCredential: (
+  abstract assertCredential(
     credentialAssertionOptions: WebAuthnLoginCredentialAssertionOptionsView,
-  ) => Promise<WebAuthnLoginCredentialAssertionView | undefined>;
+  ): Promise<WebAuthnLoginCredentialAssertionView | undefined>;
 
   /**
    * Logs the user in using the assertion obtained from the authenticator.
@@ -39,5 +37,5 @@ export abstract class WebAuthnLoginServiceAbstraction {
    * @param {WebAuthnLoginCredentialAssertionView} assertion - The assertion obtained from the authenticator
    * that needs to be validated for login.
    */
-  logIn: (assertion: WebAuthnLoginCredentialAssertionView) => Promise<AuthResult>;
+  abstract logIn(assertion: WebAuthnLoginCredentialAssertionView): Promise<AuthResult>;
 }
diff --git a/libs/common/src/billing/abstractions/account/account-billing-api.service.abstraction.ts b/libs/common/src/billing/abstractions/account/account-billing-api.service.abstraction.ts
index e0e8b7377c5..0f28e728ea2 100644
--- a/libs/common/src/billing/abstractions/account/account-billing-api.service.abstraction.ts
+++ b/libs/common/src/billing/abstractions/account/account-billing-api.service.abstraction.ts
@@ -1,11 +1,12 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import {
   BillingInvoiceResponse,
   BillingTransactionResponse,
 } from "../../models/response/billing.response";
 
-export class AccountBillingApiServiceAbstraction {
-  getBillingInvoices: (status?: string, startAfter?: string) => Promise<BillingInvoiceResponse[]>;
-  getBillingTransactions: (startAfter?: string) => Promise<BillingTransactionResponse[]>;
+export abstract class AccountBillingApiServiceAbstraction {
+  abstract getBillingInvoices(
+    status?: string,
+    startAfter?: string,
+  ): Promise<BillingInvoiceResponse[]>;
+  abstract getBillingTransactions(startAfter?: string): Promise<BillingTransactionResponse[]>;
 }
diff --git a/libs/common/src/billing/abstractions/account/billing-account-profile-state.service.ts b/libs/common/src/billing/abstractions/account/billing-account-profile-state.service.ts
index a4253226880..de9642f9194 100644
--- a/libs/common/src/billing/abstractions/account/billing-account-profile-state.service.ts
+++ b/libs/common/src/billing/abstractions/account/billing-account-profile-state.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { UserId } from "../../../types/guid";
diff --git a/libs/common/src/billing/abstractions/billing-api.service.abstraction.ts b/libs/common/src/billing/abstractions/billing-api.service.abstraction.ts
index 21089933a59..2f3fe9125db 100644
--- a/libs/common/src/billing/abstractions/billing-api.service.abstraction.ts
+++ b/libs/common/src/billing/abstractions/billing-api.service.abstraction.ts
@@ -1,6 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
-
 import { TaxInfoResponse } from "@bitwarden/common/billing/models/response/tax-info.response";
 
 import { OrganizationCreateRequest } from "../../admin-console/models/request/organization-create.request";
@@ -20,78 +17,78 @@ import { PaymentMethodResponse } from "../models/response/payment-method.respons
 import { ProviderSubscriptionResponse } from "../models/response/provider-subscription-response";
 
 export abstract class BillingApiServiceAbstraction {
-  cancelOrganizationSubscription: (
+  abstract cancelOrganizationSubscription(
     organizationId: string,
     request: SubscriptionCancellationRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  cancelPremiumUserSubscription: (request: SubscriptionCancellationRequest) => Promise<void>;
+  abstract cancelPremiumUserSubscription(request: SubscriptionCancellationRequest): Promise<void>;
 
-  createProviderClientOrganization: (
+  abstract createProviderClientOrganization(
     providerId: string,
     request: CreateClientOrganizationRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  createSetupIntent: (paymentMethodType: PaymentMethodType) => Promise<string>;
+  abstract createSetupIntent(paymentMethodType: PaymentMethodType): Promise<string>;
 
-  getOrganizationBillingMetadata: (
+  abstract getOrganizationBillingMetadata(
     organizationId: string,
-  ) => Promise<OrganizationBillingMetadataResponse>;
+  ): Promise<OrganizationBillingMetadataResponse>;
 
-  getOrganizationPaymentMethod: (organizationId: string) => Promise<PaymentMethodResponse>;
+  abstract getOrganizationPaymentMethod(organizationId: string): Promise<PaymentMethodResponse>;
 
-  getPlans: () => Promise<ListResponse<PlanResponse>>;
+  abstract getPlans(): Promise<ListResponse<PlanResponse>>;
 
-  getProviderClientInvoiceReport: (providerId: string, invoiceId: string) => Promise<string>;
+  abstract getProviderClientInvoiceReport(providerId: string, invoiceId: string): Promise<string>;
 
-  getProviderClientOrganizations: (
+  abstract getProviderClientOrganizations(
     providerId: string,
-  ) => Promise<ListResponse<ProviderOrganizationOrganizationDetailsResponse>>;
+  ): Promise<ListResponse<ProviderOrganizationOrganizationDetailsResponse>>;
 
-  getProviderInvoices: (providerId: string) => Promise<InvoicesResponse>;
+  abstract getProviderInvoices(providerId: string): Promise<InvoicesResponse>;
 
-  getProviderSubscription: (providerId: string) => Promise<ProviderSubscriptionResponse>;
+  abstract getProviderSubscription(providerId: string): Promise<ProviderSubscriptionResponse>;
 
-  getProviderTaxInformation: (providerId: string) => Promise<TaxInfoResponse>;
+  abstract getProviderTaxInformation(providerId: string): Promise<TaxInfoResponse>;
 
-  updateOrganizationPaymentMethod: (
+  abstract updateOrganizationPaymentMethod(
     organizationId: string,
     request: UpdatePaymentMethodRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  updateOrganizationTaxInformation: (
+  abstract updateOrganizationTaxInformation(
     organizationId: string,
     request: ExpandedTaxInfoUpdateRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  updateProviderClientOrganization: (
+  abstract updateProviderClientOrganization(
     providerId: string,
     organizationId: string,
     request: UpdateClientOrganizationRequest,
-  ) => Promise<any>;
+  ): Promise<any>;
 
-  updateProviderPaymentMethod: (
+  abstract updateProviderPaymentMethod(
     providerId: string,
     request: UpdatePaymentMethodRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  updateProviderTaxInformation: (
+  abstract updateProviderTaxInformation(
     providerId: string,
     request: ExpandedTaxInfoUpdateRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  verifyOrganizationBankAccount: (
+  abstract verifyOrganizationBankAccount(
     organizationId: string,
     request: VerifyBankAccountRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  verifyProviderBankAccount: (
+  abstract verifyProviderBankAccount(
     providerId: string,
     request: VerifyBankAccountRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 
-  restartSubscription: (
+  abstract restartSubscription(
     organizationId: string,
     request: OrganizationCreateRequest,
-  ) => Promise<void>;
+  ): Promise<void>;
 }
diff --git a/libs/common/src/billing/abstractions/organization-billing.service.ts b/libs/common/src/billing/abstractions/organization-billing.service.ts
index 58c537c99cc..113b55465a7 100644
--- a/libs/common/src/billing/abstractions/organization-billing.service.ts
+++ b/libs/common/src/billing/abstractions/organization-billing.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { Organization } from "@bitwarden/common/admin-console/models/domain/organization";
@@ -49,20 +47,22 @@ export type SubscriptionInformation = {
 };
 
 export abstract class OrganizationBillingServiceAbstraction {
-  getPaymentSource: (organizationId: string) => Promise<PaymentSourceResponse>;
+  abstract getPaymentSource(organizationId: string): Promise<PaymentSourceResponse>;
 
-  purchaseSubscription: (subscription: SubscriptionInformation) => Promise<OrganizationResponse>;
-
-  purchaseSubscriptionNoPaymentMethod: (
+  abstract purchaseSubscription(
     subscription: SubscriptionInformation,
-  ) => Promise<OrganizationResponse>;
+  ): Promise<OrganizationResponse>;
 
-  startFree: (subscription: SubscriptionInformation) => Promise<OrganizationResponse>;
+  abstract purchaseSubscriptionNoPaymentMethod(
+    subscription: SubscriptionInformation,
+  ): Promise<OrganizationResponse>;
 
-  restartSubscription: (
+  abstract startFree(subscription: SubscriptionInformation): Promise<OrganizationResponse>;
+
+  abstract restartSubscription(
     organizationId: string,
     subscription: SubscriptionInformation,
-  ) => Promise<void>;
+  ): Promise<void>;
 
   /**
    * Determines if breadcrumbing policies is enabled for the organizations meeting certain criteria.
diff --git a/libs/common/src/key-management/device-trust/abstractions/device-trust.service.abstraction.ts b/libs/common/src/key-management/device-trust/abstractions/device-trust.service.abstraction.ts
index d688c7f366b..2bc99e5e5c2 100644
--- a/libs/common/src/key-management/device-trust/abstractions/device-trust.service.abstraction.ts
+++ b/libs/common/src/key-management/device-trust/abstractions/device-trust.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { OtherDeviceKeysUpdateRequest } from "@bitwarden/common/auth/models/request/update-devices-trust.request";
@@ -15,51 +13,51 @@ export abstract class DeviceTrustServiceAbstraction {
    * by Platform
    * @description Checks if the device trust feature is supported for the active user.
    */
-  supportsDeviceTrust$: Observable<boolean>;
+  abstract supportsDeviceTrust$: Observable<boolean>;
 
   /**
    * Emits when a device has been trusted. This emission is specifically for the purpose of notifying
    * the consuming component to display a toast informing the user the device has been trusted.
    */
-  deviceTrusted$: Observable<void>;
+  abstract deviceTrusted$: Observable<void>;
 
   /**
    * @description Checks if the device trust feature is supported for the given user.
    */
-  supportsDeviceTrustByUserId$: (userId: UserId) => Observable<boolean>;
+  abstract supportsDeviceTrustByUserId$(userId: UserId): Observable<boolean>;
 
   /**
    * @description Retrieves the users choice to trust the device which can only happen after decryption
    * Note: this value should only be used once and then reset
    */
-  getShouldTrustDevice: (userId: UserId) => Promise<boolean | null>;
-  setShouldTrustDevice: (userId: UserId, value: boolean) => Promise<void>;
+  abstract getShouldTrustDevice(userId: UserId): Promise<boolean | null>;
+  abstract setShouldTrustDevice(userId: UserId, value: boolean): Promise<void>;
 
-  trustDeviceIfRequired: (userId: UserId) => Promise<void>;
+  abstract trustDeviceIfRequired(userId: UserId): Promise<void>;
 
-  trustDevice: (userId: UserId) => Promise<DeviceResponse>;
+  abstract trustDevice(userId: UserId): Promise<DeviceResponse>;
 
   /** Retrieves the device key if it exists from state or secure storage if supported for the active user. */
-  getDeviceKey: (userId: UserId) => Promise<DeviceKey | null>;
-  decryptUserKeyWithDeviceKey: (
+  abstract getDeviceKey(userId: UserId): Promise<DeviceKey | null>;
+  abstract decryptUserKeyWithDeviceKey(
     userId: UserId,
     encryptedDevicePrivateKey: EncString,
     encryptedUserKey: EncString,
     deviceKey: DeviceKey,
-  ) => Promise<UserKey | null>;
-  rotateDevicesTrust: (
+  ): Promise<UserKey | null>;
+  abstract rotateDevicesTrust(
     userId: UserId,
     newUserKey: UserKey,
     masterPasswordHash: string,
-  ) => Promise<void>;
+  ): Promise<void>;
   /**
    * Notifies the server that the device has a device key, but didn't receive any associated decryption keys.
    * Note: For debugging purposes only.
    */
-  recordDeviceTrustLoss: () => Promise<void>;
-  getRotatedData: (
+  abstract recordDeviceTrustLoss(): Promise<void>;
+  abstract getRotatedData(
     oldUserKey: UserKey,
     newUserKey: UserKey,
     userId: UserId,
-  ) => Promise<OtherDeviceKeysUpdateRequest[]>;
+  ): Promise<OtherDeviceKeysUpdateRequest[]>;
 }
diff --git a/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout-settings.service.ts b/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout-settings.service.ts
index 9ff362e4009..bcbf0029199 100644
--- a/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout-settings.service.ts
+++ b/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout-settings.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { UserId } from "../../../types/guid";
@@ -13,11 +11,11 @@ export abstract class VaultTimeoutSettingsService {
    * @param vaultTimeoutAction The vault timeout action
    * @param userId The user id to set the data for.
    */
-  setVaultTimeoutOptions: (
+  abstract setVaultTimeoutOptions(
     userId: UserId,
     vaultTimeout: VaultTimeout,
     vaultTimeoutAction: VaultTimeoutAction,
-  ) => Promise<void>;
+  ): Promise<void>;
 
   /**
    * Get the available vault timeout actions for the current user
@@ -25,13 +23,13 @@ export abstract class VaultTimeoutSettingsService {
    * **NOTE:** This observable is not yet connected to the state service, so it will not update when the state changes
    * @param userId The user id to check. If not provided, the current user is used
    */
-  availableVaultTimeoutActions$: (userId?: string) => Observable<VaultTimeoutAction[]>;
+  abstract availableVaultTimeoutActions$(userId?: string): Observable<VaultTimeoutAction[]>;
 
   /**
    * Evaluates the user's available vault timeout actions and returns a boolean representing
    * if the user can lock or not
    */
-  canLock: (userId: string) => Promise<boolean>;
+  abstract canLock(userId: string): Promise<boolean>;
 
   /**
    * Gets the vault timeout action for the given user id. The returned value is
@@ -41,7 +39,7 @@ export abstract class VaultTimeoutSettingsService {
    * A new action will be emitted if the current state changes or if the user's policy changes and the new policy affects the action.
    * @param userId - the user id to get the vault timeout action for
    */
-  getVaultTimeoutActionByUserId$: (userId: string) => Observable<VaultTimeoutAction>;
+  abstract getVaultTimeoutActionByUserId$(userId: string): Observable<VaultTimeoutAction>;
 
   /**
    * Get the vault timeout for the given user id. The returned value is calculated based on the current state
@@ -50,14 +48,14 @@ export abstract class VaultTimeoutSettingsService {
    * A new timeout will be emitted if the current state changes or if the user's policy changes and the new policy affects the timeout.
    * @param userId The user id to get the vault timeout for
    */
-  getVaultTimeoutByUserId$: (userId: string) => Observable<VaultTimeout>;
+  abstract getVaultTimeoutByUserId$(userId: string): Observable<VaultTimeout>;
 
   /**
    * Has the user enabled unlock with Biometric.
    * @param userId The user id to check. If not provided, the current user is used
    * @returns boolean true if biometric lock is set
    */
-  isBiometricLockSet: (userId?: string) => Promise<boolean>;
+  abstract isBiometricLockSet(userId?: string): Promise<boolean>;
 
-  clear: (userId: UserId) => Promise<void>;
+  abstract clear(userId: UserId): Promise<void>;
 }
diff --git a/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout.service.ts b/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout.service.ts
index cb07c7d193a..1c88a5c51ea 100644
--- a/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout.service.ts
+++ b/libs/common/src/key-management/vault-timeout/abstractions/vault-timeout.service.ts
@@ -1,7 +1,5 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 export abstract class VaultTimeoutService {
-  checkVaultTimeout: () => Promise<void>;
-  lock: (userId?: string) => Promise<void>;
-  logOut: (userId?: string) => Promise<void>;
+  abstract checkVaultTimeout(): Promise<void>;
+  abstract lock(userId?: string): Promise<void>;
+  abstract logOut(userId?: string): Promise<void>;
 }
diff --git a/libs/common/src/platform/abstractions/fido2/fido2-authenticator.service.abstraction.ts b/libs/common/src/platform/abstractions/fido2/fido2-authenticator.service.abstraction.ts
index fd3453198e6..c34c4b835cf 100644
--- a/libs/common/src/platform/abstractions/fido2/fido2-authenticator.service.abstraction.ts
+++ b/libs/common/src/platform/abstractions/fido2/fido2-authenticator.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Fido2CredentialView } from "../../../vault/models/view/fido2-credential.view";
 
 /**
@@ -17,11 +15,11 @@ export abstract class Fido2AuthenticatorService<ParentWindowReference> {
    * @param abortController An AbortController that can be used to abort the operation.
    * @returns A promise that resolves with the new credential and an attestation signature.
    **/
-  makeCredential: (
+  abstract makeCredential(
     params: Fido2AuthenticatorMakeCredentialsParams,
     window: ParentWindowReference,
     abortController?: AbortController,
-  ) => Promise<Fido2AuthenticatorMakeCredentialResult>;
+  ): Promise<Fido2AuthenticatorMakeCredentialResult>;
 
   /**
    * Generate an assertion using an existing credential as describe in:
@@ -31,11 +29,11 @@ export abstract class Fido2AuthenticatorService<ParentWindowReference> {
    * @param abortController An AbortController that can be used to abort the operation.
    * @returns A promise that resolves with the asserted credential and an assertion signature.
    */
-  getAssertion: (
+  abstract getAssertion(
     params: Fido2AuthenticatorGetAssertionParams,
     window: ParentWindowReference,
     abortController?: AbortController,
-  ) => Promise<Fido2AuthenticatorGetAssertionResult>;
+  ): Promise<Fido2AuthenticatorGetAssertionResult>;
 
   /**
    * Discover credentials for a given Relying Party
@@ -43,7 +41,7 @@ export abstract class Fido2AuthenticatorService<ParentWindowReference> {
    * @param rpId The Relying Party's ID
    * @returns A promise that resolves with an array of discoverable credentials
    */
-  silentCredentialDiscovery: (rpId: string) => Promise<Fido2CredentialView[]>;
+  abstract silentCredentialDiscovery(rpId: string): Promise<Fido2CredentialView[]>;
 }
 
 // FIXME: update to use a const object instead of a typescript enum
diff --git a/libs/common/src/platform/abstractions/fido2/fido2-client.service.abstraction.ts b/libs/common/src/platform/abstractions/fido2/fido2-client.service.abstraction.ts
index 55d9cce8049..f1ad26673fd 100644
--- a/libs/common/src/platform/abstractions/fido2/fido2-client.service.abstraction.ts
+++ b/libs/common/src/platform/abstractions/fido2/fido2-client.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 export const UserRequestedFallbackAbortReason = "UserRequestedFallback";
 
 export type UserVerification = "discouraged" | "preferred" | "required";
@@ -16,7 +14,7 @@ export type UserVerification = "discouraged" | "preferred" | "required";
  * and for returning the results of the latter operations to the Web Authentication API's callers.
  */
 export abstract class Fido2ClientService<ParentWindowReference> {
-  isFido2FeatureEnabled: (hostname: string, origin: string) => Promise<boolean>;
+  abstract isFido2FeatureEnabled(hostname: string, origin: string): Promise<boolean>;
 
   /**
    * Allows WebAuthn Relying Party scripts to request the creation of a new public key credential source.
@@ -26,11 +24,11 @@ export abstract class Fido2ClientService<ParentWindowReference> {
    * @param abortController An AbortController that can be used to abort the operation.
    * @returns A promise that resolves with the new credential.
    */
-  createCredential: (
+  abstract createCredential(
     params: CreateCredentialParams,
     window: ParentWindowReference,
     abortController?: AbortController,
-  ) => Promise<CreateCredentialResult>;
+  ): Promise<CreateCredentialResult>;
 
   /**
    * Allows WebAuthn Relying Party scripts to discover and use an existing public key credential, with the user’s consent.
@@ -41,11 +39,11 @@ export abstract class Fido2ClientService<ParentWindowReference> {
    * @param abortController An AbortController that can be used to abort the operation.
    * @returns A promise that resolves with the asserted credential.
    */
-  assertCredential: (
+  abstract assertCredential(
     params: AssertCredentialParams,
     window: ParentWindowReference,
     abortController?: AbortController,
-  ) => Promise<AssertCredentialResult>;
+  ): Promise<AssertCredentialResult>;
 }
 
 /**
diff --git a/libs/common/src/platform/abstractions/fido2/fido2-user-interface.service.abstraction.ts b/libs/common/src/platform/abstractions/fido2/fido2-user-interface.service.abstraction.ts
index 1f871f6c70f..28b199da78f 100644
--- a/libs/common/src/platform/abstractions/fido2/fido2-user-interface.service.abstraction.ts
+++ b/libs/common/src/platform/abstractions/fido2/fido2-user-interface.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 /**
  * Parameters used to ask the user to confirm the creation of a new credential.
  */
@@ -69,11 +67,11 @@ export abstract class Fido2UserInterfaceService<ParentWindowReference> {
    * @param fallbackSupported Whether or not the browser natively supports WebAuthn.
    * @param abortController An abort controller that can be used to cancel/close the session.
    */
-  newSession: (
+  abstract newSession(
     fallbackSupported: boolean,
     window: ParentWindowReference,
     abortController?: AbortController,
-  ) => Promise<Fido2UserInterfaceSession>;
+  ): Promise<Fido2UserInterfaceSession>;
 }
 
 export abstract class Fido2UserInterfaceSession {
@@ -84,9 +82,9 @@ export abstract class Fido2UserInterfaceSession {
    * @param abortController An abort controller that can be used to cancel/close the session.
    * @returns The ID of the cipher that contains the credentials the user picked. If not cipher was picked, return cipherId = undefined to to let the authenticator throw the error.
    */
-  pickCredential: (
+  abstract pickCredential(
     params: PickCredentialParams,
-  ) => Promise<{ cipherId: string; userVerified: boolean }>;
+  ): Promise<{ cipherId: string; userVerified: boolean }>;
 
   /**
    * Ask the user to confirm the creation of a new credential.
@@ -95,30 +93,30 @@ export abstract class Fido2UserInterfaceSession {
    * @param abortController An abort controller that can be used to cancel/close the session.
    * @returns The ID of the cipher where the new credential should be saved.
    */
-  confirmNewCredential: (
+  abstract confirmNewCredential(
     params: NewCredentialParams,
-  ) => Promise<{ cipherId: string; userVerified: boolean }>;
+  ): Promise<{ cipherId: string; userVerified: boolean }>;
 
   /**
    * Make sure that the vault is unlocked.
    * This will open a window and ask the user to login or unlock the vault if necessary.
    */
-  ensureUnlockedVault: () => Promise<void>;
+  abstract ensureUnlockedVault(): Promise<void>;
 
   /**
    * Inform the user that the operation was cancelled because their vault contains excluded credentials.
    *
    * @param existingCipherIds The IDs of the excluded credentials.
    */
-  informExcludedCredential: (existingCipherIds: string[]) => Promise<void>;
+  abstract informExcludedCredential(existingCipherIds: string[]): Promise<void>;
 
   /**
    * Inform the user that the operation was cancelled because their vault does not contain any useable credentials.
    */
-  informCredentialNotFound: (abortController?: AbortController) => Promise<void>;
+  abstract informCredentialNotFound(abortController?: AbortController): Promise<void>;
 
   /**
    * Close the session, including any windows that may be open.
    */
-  close: () => void;
+  abstract close(): void;
 }
diff --git a/libs/common/src/platform/abstractions/state.service.ts b/libs/common/src/platform/abstractions/state.service.ts
index e4dbe76d7e4..4c1c000284e 100644
--- a/libs/common/src/platform/abstractions/state.service.ts
+++ b/libs/common/src/platform/abstractions/state.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { BiometricKey } from "../../auth/types/biometric-key";
 import { Account } from "../models/domain/account";
 import { StorageOptions } from "../models/domain/storage-options";
@@ -19,47 +17,47 @@ export type InitOptions = {
 };
 
 export abstract class StateService<T extends Account = Account> {
-  addAccount: (account: T) => Promise<void>;
-  clean: (options?: StorageOptions) => Promise<void>;
-  init: (initOptions?: InitOptions) => Promise<void>;
+  abstract addAccount(account: T): Promise<void>;
+  abstract clean(options?: StorageOptions): Promise<void>;
+  abstract init(initOptions?: InitOptions): Promise<void>;
 
   /**
    * Gets the user's auto key
    */
-  getUserKeyAutoUnlock: (options?: StorageOptions) => Promise<string>;
+  abstract getUserKeyAutoUnlock(options?: StorageOptions): Promise<string>;
   /**
    * Sets the user's auto key
    */
-  setUserKeyAutoUnlock: (value: string | null, options?: StorageOptions) => Promise<void>;
+  abstract setUserKeyAutoUnlock(value: string | null, options?: StorageOptions): Promise<void>;
   /**
    * Gets the user's biometric key
    */
-  getUserKeyBiometric: (options?: StorageOptions) => Promise<string>;
+  abstract getUserKeyBiometric(options?: StorageOptions): Promise<string>;
   /**
    * Checks if the user has a biometric key available
    */
-  hasUserKeyBiometric: (options?: StorageOptions) => Promise<boolean>;
+  abstract hasUserKeyBiometric(options?: StorageOptions): Promise<boolean>;
   /**
    * Sets the user's biometric key
    */
-  setUserKeyBiometric: (value: BiometricKey, options?: StorageOptions) => Promise<void>;
+  abstract setUserKeyBiometric(value: BiometricKey, options?: StorageOptions): Promise<void>;
   /**
    * @deprecated For backwards compatible purposes only, use DesktopAutofillSettingsService
    */
-  setEnableDuckDuckGoBrowserIntegration: (
+  abstract setEnableDuckDuckGoBrowserIntegration(
     value: boolean,
     options?: StorageOptions,
-  ) => Promise<void>;
-  getDuckDuckGoSharedKey: (options?: StorageOptions) => Promise<string>;
-  setDuckDuckGoSharedKey: (value: string, options?: StorageOptions) => Promise<void>;
+  ): Promise<void>;
+  abstract getDuckDuckGoSharedKey(options?: StorageOptions): Promise<string>;
+  abstract setDuckDuckGoSharedKey(value: string, options?: StorageOptions): Promise<void>;
 
   /**
    * @deprecated Use `TokenService.hasAccessToken$()` or `AuthService.authStatusFor$` instead.
    */
-  getIsAuthenticated: (options?: StorageOptions) => Promise<boolean>;
+  abstract getIsAuthenticated(options?: StorageOptions): Promise<boolean>;
 
   /**
    * @deprecated Use `AccountService.activeAccount$` instead.
    */
-  getUserId: (options?: StorageOptions) => Promise<string>;
+  abstract getUserId(options?: StorageOptions): Promise<string>;
 }
diff --git a/libs/common/src/tools/password-strength/password-strength.service.abstraction.ts b/libs/common/src/tools/password-strength/password-strength.service.abstraction.ts
index a49a6d481b5..ccc47d487a4 100644
--- a/libs/common/src/tools/password-strength/password-strength.service.abstraction.ts
+++ b/libs/common/src/tools/password-strength/password-strength.service.abstraction.ts
@@ -1,7 +1,9 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { ZXCVBNResult } from "zxcvbn";
 
 export abstract class PasswordStrengthServiceAbstraction {
-  getPasswordStrength: (password: string, email?: string, userInputs?: string[]) => ZXCVBNResult;
+  abstract getPasswordStrength(
+    password: string,
+    email?: string,
+    userInputs?: string[],
+  ): ZXCVBNResult;
 }
diff --git a/libs/common/src/tools/send/services/send-api.service.abstraction.ts b/libs/common/src/tools/send/services/send-api.service.abstraction.ts
index 570f3e746a0..80c4410af11 100644
--- a/libs/common/src/tools/send/services/send-api.service.abstraction.ts
+++ b/libs/common/src/tools/send/services/send-api.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { ListResponse } from "../../../models/response/list.response";
 import { EncArrayBuffer } from "../../../platform/models/domain/enc-array-buffer";
 import { Send } from "../models/domain/send";
@@ -12,26 +10,29 @@ import { SendResponse } from "../models/response/send.response";
 import { SendAccessView } from "../models/view/send-access.view";
 
 export abstract class SendApiService {
-  getSend: (id: string) => Promise<SendResponse>;
-  postSendAccess: (
+  abstract getSend(id: string): Promise<SendResponse>;
+  abstract postSendAccess(
     id: string,
     request: SendAccessRequest,
     apiUrl?: string,
-  ) => Promise<SendAccessResponse>;
-  getSends: () => Promise<ListResponse<SendResponse>>;
-  postSend: (request: SendRequest) => Promise<SendResponse>;
-  postFileTypeSend: (request: SendRequest) => Promise<SendFileUploadDataResponse>;
-  postSendFile: (sendId: string, fileId: string, data: FormData) => Promise<any>;
-  putSend: (id: string, request: SendRequest) => Promise<SendResponse>;
-  putSendRemovePassword: (id: string) => Promise<SendResponse>;
-  deleteSend: (id: string) => Promise<any>;
-  getSendFileDownloadData: (
+  ): Promise<SendAccessResponse>;
+  abstract getSends(): Promise<ListResponse<SendResponse>>;
+  abstract postSend(request: SendRequest): Promise<SendResponse>;
+  abstract postFileTypeSend(request: SendRequest): Promise<SendFileUploadDataResponse>;
+  abstract postSendFile(sendId: string, fileId: string, data: FormData): Promise<any>;
+  abstract putSend(id: string, request: SendRequest): Promise<SendResponse>;
+  abstract putSendRemovePassword(id: string): Promise<SendResponse>;
+  abstract deleteSend(id: string): Promise<any>;
+  abstract getSendFileDownloadData(
     send: SendAccessView,
     request: SendAccessRequest,
     apiUrl?: string,
-  ) => Promise<SendFileDownloadDataResponse>;
-  renewSendFileUploadUrl: (sendId: string, fileId: string) => Promise<SendFileUploadDataResponse>;
-  removePassword: (id: string) => Promise<any>;
-  delete: (id: string) => Promise<any>;
-  save: (sendData: [Send, EncArrayBuffer]) => Promise<Send>;
+  ): Promise<SendFileDownloadDataResponse>;
+  abstract renewSendFileUploadUrl(
+    sendId: string,
+    fileId: string,
+  ): Promise<SendFileUploadDataResponse>;
+  abstract removePassword(id: string): Promise<any>;
+  abstract delete(id: string): Promise<any>;
+  abstract save(sendData: [Send, EncArrayBuffer]): Promise<Send>;
 }
diff --git a/libs/common/src/tools/send/services/send.service.abstraction.ts b/libs/common/src/tools/send/services/send.service.abstraction.ts
index f586e39a755..8301172477c 100644
--- a/libs/common/src/tools/send/services/send.service.abstraction.ts
+++ b/libs/common/src/tools/send/services/send.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 // This import has been flagged as unallowed for this class. It may be involved in a circular dependency loop.
@@ -16,49 +14,49 @@ import { SendWithIdRequest } from "../models/request/send-with-id.request";
 import { SendView } from "../models/view/send.view";
 
 export abstract class SendService implements UserKeyRotationDataProvider<SendWithIdRequest> {
-  sends$: Observable<Send[]>;
-  sendViews$: Observable<SendView[]>;
+  abstract sends$: Observable<Send[]>;
+  abstract sendViews$: Observable<SendView[]>;
 
-  encrypt: (
+  abstract encrypt(
     model: SendView,
     file: File | ArrayBuffer,
     password: string,
     key?: SymmetricCryptoKey,
-  ) => Promise<[Send, EncArrayBuffer]>;
+  ): Promise<[Send, EncArrayBuffer]>;
   /**
    * Provides a send for a determined id
    * updates after a change occurs to the send that matches the id
    * @param id The id of the desired send
    * @returns An observable that listens to the value of the desired send
    */
-  get$: (id: string) => Observable<Send | undefined>;
+  abstract get$(id: string): Observable<Send | undefined>;
   /**
    * Provides re-encrypted user sends for the key rotation process
    * @param newUserKey The new user key to use for re-encryption
    * @throws Error if the new user key is null or undefined
    * @returns A list of user sends that have been re-encrypted with the new user key
    */
-  getRotatedData: (
+  abstract getRotatedData(
     originalUserKey: UserKey,
     newUserKey: UserKey,
     userId: UserId,
-  ) => Promise<SendWithIdRequest[]>;
+  ): Promise<SendWithIdRequest[]>;
   /**
    * @deprecated Do not call this, use the sends$ observable collection
    */
-  getAll: () => Promise<Send[]>;
+  abstract getAll(): Promise<Send[]>;
   /**
    * @deprecated Only use in CLI
    */
-  getFromState: (id: string) => Promise<Send>;
+  abstract getFromState(id: string): Promise<Send>;
   /**
    * @deprecated Only use in CLI
    */
-  getAllDecryptedFromState: (userId: UserId) => Promise<SendView[]>;
+  abstract getAllDecryptedFromState(userId: UserId): Promise<SendView[]>;
 }
 
 export abstract class InternalSendService extends SendService {
-  upsert: (send: SendData | SendData[]) => Promise<any>;
-  replace: (sends: { [id: string]: SendData }, userId: UserId) => Promise<void>;
-  delete: (id: string | string[]) => Promise<any>;
+  abstract upsert(send: SendData | SendData[]): Promise<any>;
+  abstract replace(sends: { [id: string]: SendData }, userId: UserId): Promise<void>;
+  abstract delete(id: string | string[]): Promise<any>;
 }
diff --git a/libs/common/src/vault/abstractions/cipher.service.ts b/libs/common/src/vault/abstractions/cipher.service.ts
index 2f186369463..2f4fcf0ef51 100644
--- a/libs/common/src/vault/abstractions/cipher.service.ts
+++ b/libs/common/src/vault/abstractions/cipher.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 // This import has been flagged as unallowed for this class. It may be involved in a circular dependency loop.
diff --git a/libs/common/src/vault/abstractions/file-upload/cipher-file-upload.service.ts b/libs/common/src/vault/abstractions/file-upload/cipher-file-upload.service.ts
index 812439e2ca9..13c79241e36 100644
--- a/libs/common/src/vault/abstractions/file-upload/cipher-file-upload.service.ts
+++ b/libs/common/src/vault/abstractions/file-upload/cipher-file-upload.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { EncString } from "../../../key-management/crypto/models/enc-string";
 import { EncArrayBuffer } from "../../../platform/models/domain/enc-array-buffer";
 import { SymmetricCryptoKey } from "../../../platform/models/domain/symmetric-crypto-key";
@@ -7,11 +5,11 @@ import { Cipher } from "../../models/domain/cipher";
 import { CipherResponse } from "../../models/response/cipher.response";
 
 export abstract class CipherFileUploadService {
-  upload: (
+  abstract upload(
     cipher: Cipher,
     encFileName: EncString,
     encData: EncArrayBuffer,
     admin: boolean,
     dataEncKey: [SymmetricCryptoKey, EncString],
-  ) => Promise<CipherResponse>;
+  ): Promise<CipherResponse>;
 }
diff --git a/libs/common/src/vault/abstractions/folder/folder-api.service.abstraction.ts b/libs/common/src/vault/abstractions/folder/folder-api.service.abstraction.ts
index 1bb4a52e929..1b89f1664ca 100644
--- a/libs/common/src/vault/abstractions/folder/folder-api.service.abstraction.ts
+++ b/libs/common/src/vault/abstractions/folder/folder-api.service.abstraction.ts
@@ -1,14 +1,11 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
-
 import { UserId } from "../../../types/guid";
 import { FolderData } from "../../models/data/folder.data";
 import { Folder } from "../../models/domain/folder";
 import { FolderResponse } from "../../models/response/folder.response";
 
-export class FolderApiServiceAbstraction {
-  save: (folder: Folder, userId: UserId) => Promise<FolderData>;
-  delete: (id: string, userId: UserId) => Promise<any>;
-  get: (id: string) => Promise<FolderResponse>;
-  deleteAll: (userId: UserId) => Promise<void>;
+export abstract class FolderApiServiceAbstraction {
+  abstract save(folder: Folder, userId: UserId): Promise<FolderData>;
+  abstract delete(id: string, userId: UserId): Promise<any>;
+  abstract get(id: string): Promise<FolderResponse>;
+  abstract deleteAll(userId: UserId): Promise<void>;
 }
diff --git a/libs/common/src/vault/abstractions/folder/folder.service.abstraction.ts b/libs/common/src/vault/abstractions/folder/folder.service.abstraction.ts
index 7324fe22c8d..e56bfda32a4 100644
--- a/libs/common/src/vault/abstractions/folder/folder.service.abstraction.ts
+++ b/libs/common/src/vault/abstractions/folder/folder.service.abstraction.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 // This import has been flagged as unallowed for this class. It may be involved in a circular dependency loop.
@@ -15,27 +13,27 @@ import { FolderWithIdRequest } from "../../models/request/folder-with-id.request
 import { FolderView } from "../../models/view/folder.view";
 
 export abstract class FolderService implements UserKeyRotationDataProvider<FolderWithIdRequest> {
-  folders$: (userId: UserId) => Observable<Folder[]>;
-  folderViews$: (userId: UserId) => Observable<FolderView[]>;
+  abstract folders$(userId: UserId): Observable<Folder[]>;
+  abstract folderViews$(userId: UserId): Observable<FolderView[]>;
 
-  clearDecryptedFolderState: (userId: UserId) => Promise<void>;
-  encrypt: (model: FolderView, key: SymmetricCryptoKey) => Promise<Folder>;
-  get: (id: string, userId: UserId) => Promise<Folder>;
-  getDecrypted$: (id: string, userId: UserId) => Observable<FolderView | undefined>;
+  abstract clearDecryptedFolderState(userId: UserId): Promise<void>;
+  abstract encrypt(model: FolderView, key: SymmetricCryptoKey): Promise<Folder>;
+  abstract get(id: string, userId: UserId): Promise<Folder>;
+  abstract getDecrypted$(id: string, userId: UserId): Observable<FolderView | undefined>;
   /**
    * @deprecated Use firstValueFrom(folders$) directly instead
    * @param userId The user id
    * @returns Promise of folders array
    */
-  getAllFromState: (userId: UserId) => Promise<Folder[]>;
+  abstract getAllFromState(userId: UserId): Promise<Folder[]>;
   /**
    * @deprecated Only use in CLI!
    */
-  getFromState: (id: string, userId: UserId) => Promise<Folder>;
+  abstract getFromState(id: string, userId: UserId): Promise<Folder>;
   /**
    * @deprecated Only use in CLI!
    */
-  getAllDecryptedFromState: (userId: UserId) => Promise<FolderView[]>;
+  abstract getAllDecryptedFromState(userId: UserId): Promise<FolderView[]>;
   /**
    * Returns user folders re-encrypted with the new user key.
    * @param originalUserKey the original user key
@@ -44,16 +42,16 @@ export abstract class FolderService implements UserKeyRotationDataProvider<Folde
    * @throws Error if new user key is null
    * @returns a list of user folders that have been re-encrypted with the new user key
    */
-  getRotatedData: (
+  abstract getRotatedData(
     originalUserKey: UserKey,
     newUserKey: UserKey,
     userId: UserId,
-  ) => Promise<FolderWithIdRequest[]>;
+  ): Promise<FolderWithIdRequest[]>;
 }
 
 export abstract class InternalFolderService extends FolderService {
-  upsert: (folder: FolderData | FolderData[], userId: UserId) => Promise<void>;
-  replace: (folders: { [id: string]: FolderData }, userId: UserId) => Promise<void>;
-  clear: (userId: UserId) => Promise<void>;
-  delete: (id: string | string[], userId: UserId) => Promise<any>;
+  abstract upsert(folder: FolderData | FolderData[], userId: UserId): Promise<void>;
+  abstract replace(folders: { [id: string]: FolderData }, userId: UserId): Promise<void>;
+  abstract clear(userId: UserId): Promise<void>;
+  abstract delete(id: string | string[], userId: UserId): Promise<any>;
 }
diff --git a/libs/common/src/vault/abstractions/search.service.ts b/libs/common/src/vault/abstractions/search.service.ts
index ed8bb2c3baf..57f301261c2 100644
--- a/libs/common/src/vault/abstractions/search.service.ts
+++ b/libs/common/src/vault/abstractions/search.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 
 import { SendView } from "../../tools/send/models/view/send.view";
@@ -8,25 +6,25 @@ import { CipherView } from "../models/view/cipher.view";
 import { CipherViewLike } from "../utils/cipher-view-like-utils";
 
 export abstract class SearchService {
-  indexedEntityId$: (userId: UserId) => Observable<IndexedEntityId | null>;
+  abstract indexedEntityId$(userId: UserId): Observable<IndexedEntityId | null>;
 
-  clearIndex: (userId: UserId) => Promise<void>;
-  isSearchable: (userId: UserId, query: string) => Promise<boolean>;
-  indexCiphers: (
+  abstract clearIndex(userId: UserId): Promise<void>;
+  abstract isSearchable(userId: UserId, query: string): Promise<boolean>;
+  abstract indexCiphers(
     userId: UserId,
     ciphersToIndex: CipherView[],
     indexedEntityGuid?: string,
-  ) => Promise<void>;
-  searchCiphers: <C extends CipherViewLike>(
+  ): Promise<void>;
+  abstract searchCiphers<C extends CipherViewLike>(
     userId: UserId,
     query: string,
     filter?: ((cipher: C) => boolean) | ((cipher: C) => boolean)[],
     ciphers?: C[],
-  ) => Promise<C[]>;
-  searchCiphersBasic: <C extends CipherViewLike>(
+  ): Promise<C[]>;
+  abstract searchCiphersBasic<C extends CipherViewLike>(
     ciphers: C[],
     query: string,
     deleted?: boolean,
-  ) => C[];
-  searchSends: (sends: SendView[], query: string) => SendView[];
+  ): C[];
+  abstract searchSends(sends: SendView[], query: string): SendView[];
 }
diff --git a/libs/common/src/vault/abstractions/vault-settings/vault-settings.service.ts b/libs/common/src/vault/abstractions/vault-settings/vault-settings.service.ts
index ea1e73c2685..01b0011b7f7 100644
--- a/libs/common/src/vault/abstractions/vault-settings/vault-settings.service.ts
+++ b/libs/common/src/vault/abstractions/vault-settings/vault-settings.service.ts
@@ -1,5 +1,3 @@
-// FIXME: Update this file to be type safe and remove this and next line
-// @ts-strict-ignore
 import { Observable } from "rxjs";
 /**
  * Service for managing vault settings.
@@ -9,42 +7,40 @@ export abstract class VaultSettingsService {
    * An observable monitoring the state of the enable passkeys setting.
    * The observable updates when the setting changes.
    */
-  enablePasskeys$: Observable<boolean>;
+  abstract enablePasskeys$: Observable<boolean>;
   /**
    * An observable monitoring the state of the show cards on the current tab.
    */
-  showCardsCurrentTab$: Observable<boolean>;
+  abstract showCardsCurrentTab$: Observable<boolean>;
   /**
    * An observable monitoring the state of the show identities on the current tab.
    */
-  showIdentitiesCurrentTab$: Observable<boolean>;
-  /**
+  abstract showIdentitiesCurrentTab$: Observable<boolean>;
   /**
    * An observable monitoring the state of the click items on the Vault view
    * for Autofill suggestions.
    */
-  clickItemsToAutofillVaultView$: Observable<boolean>;
-  /**
+  abstract clickItemsToAutofillVaultView$: Observable<boolean>;
 
   /**
    * Saves the enable passkeys setting to disk.
    * @param value The new value for the passkeys setting.
    */
-  setEnablePasskeys: (value: boolean) => Promise<void>;
+  abstract setEnablePasskeys(value: boolean): Promise<void>;
   /**
    * Saves the show cards on tab page setting to disk.
    * @param value The new value for the show cards on tab page setting.
    */
-  setShowCardsCurrentTab: (value: boolean) => Promise<void>;
+  abstract setShowCardsCurrentTab(value: boolean): Promise<void>;
   /**
    * Saves the show identities on tab page setting to disk.
    * @param value The new value for the show identities on tab page setting.
    */
-  setShowIdentitiesCurrentTab: (value: boolean) => Promise<void>;
+  abstract setShowIdentitiesCurrentTab(value: boolean): Promise<void>;
   /**
    * Saves the click items on vault View for Autofill suggestions to disk.
    * @param value The new value for the click items on vault View for
    * Autofill suggestions setting.
    */
-  setClickItemsToAutofillVaultView: (value: boolean) => Promise<void>;
+  abstract setClickItemsToAutofillVaultView(value: boolean): Promise<void>;
 }