def METHOD_NAME(self):
    if self._md is None:
        self._md = []
        _io = self.rdr.getSeries()
        for _i in range(self.series_count):
            self.rdr.setSeries(_i)
            series_md = javabridge.jutil.jdictionary_to_string_dictionary(self.rdr.getSeriesMetadata())
            self._md.append(series_md)
        self.rdr.setSeries(_io)
    return self._md