Get the qualified name of the variant.

        Returns:
            str: Name of the variant with version and index, eg "maya-2016.1[1]".

def qualified_name(self):
        """Get the qualified name of the variant.

        Returns:
            str: Name of the variant with version and index, eg "maya-2016.1[1]".
        """
        idxstr = '' if self.index is None else str(self.index)
        return "%s[%s]" % (self.qualified_package_name, idxstr)