'Return meta data suported by this ext as a tuple'

def _get_meta(self):

    level = (int(self.config[u'level']) - 1)
    force = parseBoolValue(self.config[u'forceid'])
    if hasattr(self.md, u'Meta'):
        if (u'header_level' in self.md.Meta):
            level = (int(self.md.Meta[u'header_level'][0]) - 1)
        if (u'header_forceid' in self.md.Meta):
            force = parseBoolValue(self.md.Meta[u'header_forceid'][0])
    return (level, force)
