@name:
@nick:
@blurb:
@default_value:
@flags:
@Returns:
@signal_id:
@closure:
@Returns:
Determines if @value is a #GValue whose type conforms to @type.
@value: A valid #GValue structure.
@type: A #GType value.
@Returns: #TRUE if @value is a #GValue of @type or #FALSE if not.
@src_value:
@dest_value:
@Returns:
@value_type1:
@value_type2:
@func:
@value_type1:
@value_type2:
@Returns:
@value1:
@value2:
@Returns: