Function lfb_gdbus_feedback_proxy_new

pub unsafe extern "C" fn lfb_gdbus_feedback_proxy_new(
    connection: *mut GDBusConnection,
    flags: GDBusProxyFlags,
    name: *const c_char,
    object_path: *const c_char,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer,
)