Function gdk4_sys::gdk_content_deserialize_async

pub unsafe extern "C" fn gdk_content_deserialize_async(
    stream: *mut GInputStream,
    mime_type: *const c_char,
    type_: GType,
    io_priority: c_int,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer
)