Prototype of deserialize function. Deserialize function convert a #GVariant to #IBusSerializable. Returns an integer value which indicates how many values in the variant(tuple) are consumed.
An #IBusSerializable.
A #GVariant contains a tuple.
Prototype of deserialize function. Deserialize function convert a #GVariant to #IBusSerializable. Returns an integer value which indicates how many values in the variant(tuple) are consumed.