Function libsecret_sys::secret_prompt_perform

pub unsafe extern "C" fn secret_prompt_perform(
    self_: *mut SecretPrompt,
    window_id: *const c_char,
    return_type: *const GVariantType,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer
)