pub unsafe extern "C" fn g_tls_database_lookup_certificate_for_handle_async(
    self_: *mut GTlsDatabase,
    handle: *const c_char,
    interaction: *mut GTlsInteraction,
    flags: GTlsDatabaseLookupFlags,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer
)