OAuth2 Client ID (from app registration)
OAuth2 Client Secret (from app registration)
OptionalonCallback called when a new refresh token is issued. Required for providers like Box that issue new refresh tokens with each token refresh.
User's OAuth refresh token (long-lived)
OptionalrootOptional root folder ID to restrict operations
Configuration for OAuth-enabled storage providers. This is the format expected by the Google Drive and similar OAuth-based drivers.