Completes an asynchronous request to gio.file.File.loadBytesAsync.
For resources, etag_out will be set to null.
The data contained in the resulting #GBytes is always zero-terminated, but this is not included in the #GBytes length. The resulting #GBytes should be freed with glib.bytes.Bytes.unref when no longer in use.
See gio.file.File.loadBytes for more information.
a #GAsyncResult provided to the callback
a location to place the current entity tag for the file, or null if the entity tag is not needed
a #GBytes or null and error is set
Completes an asynchronous request to gio.file.File.loadBytesAsync.
For resources, etag_out will be set to null.
The data contained in the resulting #GBytes is always zero-terminated, but this is not included in the #GBytes length. The resulting #GBytes should be freed with glib.bytes.Bytes.unref when no longer in use.
See gio.file.File.loadBytes for more information.