Google\Client Object
(
    [auth:Google\Client:private] => 
    [http:Google\Client:private] => 
    [cache:Google\Client:private] => 
    [token:Google\Client:private] => 
    [config:Google\Client:private] => Array
        (
            [application_name] => My Test App
            [base_path] => https://www.googleapis.com
            [client_id] => 
            [client_secret] => 
            [credentials] => 
            [scopes] => 
            [quota_project] => 
            [redirect_uri] => 
            [state] => 
            [developer_key] => YOUR_API_KEY_HERE
            [use_application_default_credentials] => 
            [signing_key] => 
            [signing_algorithm] => 
            [subject] => 
            [hd] => 
            [prompt] => 
            [openid.realm] => 
            [include_granted_scopes] => 
            [login_hint] => 
            [request_visible_actions] => 
            [access_type] => online
            [approval_prompt] => auto
            [retry] => Array
                (
                )

            [retry_map] => 
            [cache] => 
            [cache_config] => Array
                (
                )

            [token_callback] => Closure Object
                (
                    [this] => Google\Client Object
 *RECURSION*
                    [parameter] => Array
                        (
                            [$cacheKey] => 
                            [$newAccessToken] => 
                        )

                )

            [jwt] => 
            [api_format_v2] => 
            [universe_domain] => googleapis.com
        )

    [logger:Google\Client:private] => 
    [credentials:Google\Client:private] => 
    [deferExecution:Google\Client:private] => 
    [requestedScopes:protected] => Array
        (
        )

)