[Home](./index.md) > [@firebase/auth](./auth.md) > [Dependencies](./auth.dependencies.md) ## Dependencies interface Signature: ```typescript export interface Dependencies ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [errorMap?](./auth.dependencies.errormap.md) | [AuthErrorMap](./auth.autherrormap.md) | (Optional) | | [persistence?](./auth.dependencies.persistence.md) | [Persistence](./auth.persistence.md) \| [Persistence](./auth.persistence.md)\[\] | (Optional) | | [popupRedirectResolver?](./auth.dependencies.popupredirectresolver.md) | [PopupRedirectResolver](./auth.popupredirectresolver.md) | (Optional) |