fn default() -> Self {
        Self {
            x_metadata_token: None,
            x_metadata_token_ttl_seconds: None,
        }
    }
/// Token headers are not present in the request by default.
Token headers are not present in the request by default.
Token headers are not present in the request by default .
fn default() -> Self {
        Self {
            x_metadata_token: None,
            x_metadata_token_ttl_seconds: None,
        }
    }
fn default ( ) -> Self { Self { x_metadata_token : None , x_metadata_token_ttl_seconds : None , } }
Token headers are not present in the request by default.
Token headers are not present in the request by default .