PPlusFireStore.TokenFetcher behaviour (pplus_firestore v0.1.6)
View SourceInterface to implement a token fetcher service for Google Firestore access tokens.
The token fetcher service is responsible for fetching and caching access tokens to Google Firestore.
The token fetcher service must implement the fetch/1
callback that receives the module of the repository that is requesting the access token.
See the PPlusFireStore.TokenFetcherMock
module for an example implementation of a token fetcher service.