type Config struct {// Audience is the Secure Token Service (STS) audience which contains the resource name for the workforce pool and// the provider identifier in that pool.Audiencestring// RefreshToken is the optional OAuth 2.0 refresh token. If specified, credentials can be refreshed.RefreshTokenstring// TokenURL is the optional STS token exchange endpoint for refresh. Must be specified for refresh, can be left as// None if the token can not be refreshed.TokenURLstring// TokenInfoURL is the optional STS endpoint URL for token introspection.TokenInfoURLstring// ClientID is only required in conjunction with ClientSecret, as described above.ClientIDstring// ClientSecret is currently only required if token_info endpoint also needs to be called with the generated GCP// access token. When provided, STS will be called with additional basic authentication using client_id as username// and client_secret as password.ClientSecretstring// Token is the OAuth2.0 access token. Can be nil if refresh information is provided.Tokenstring// Expiry is the optional expiration datetime of the OAuth 2.0 access token.Expirytime.Time// RevokeURL is the optional STS endpoint URL for revoking tokens.RevokeURLstring// QuotaProjectID is the optional project ID used for quota and billing. This project may be different from the// project used to create the credentials.QuotaProjectIDstringScopes         []string}

func (*Config)TokenSource¶

func (c *Config) TokenSource(ctxcontext.Context) (oauth2.TokenSource,error)