// metaproxy_1::odr &odr_en,
// Z_SRW_PDU *sru_pdu_res,
// SRUServerInfo sruinfo,
// Z_SRW_explainRequest const *er_req = 0);
// metaproxy_1::odr &odr_en,
// Z_SRW_PDU *sru_pdu_res,
// SRUServerInfo sruinfo,
// Z_SRW_explainRequest const *er_req = 0);