Type Alias GDBusInterfaceGetPropertyFunc 
Source pub type GDBusInterfaceGetPropertyFunc = Option<unsafe extern "C" fn(connection: *mut GDBusConnection, sender: *const gchar, object_path: *const gchar, interface_name: *const gchar, property_name: *const gchar, error: *mut *mut GError, user_data: gpointer) -> *mut GVariant>;
pub enum GDBusInterfaceGetPropertyFunc {
    None,
    Some(unsafe extern "C" fn(*mut _GDBusConnection, *const i8, *const i8, *const i8, *const i8, *mut *mut _GError, *mut c_void) -> *mut _GVariant),
}