code: public OvhArchive serviceName_output_graylog_stream_streamId_archive_archiveId_GET(String serviceName, String streamId, String archiveId) throws IOException {
  		String qPath = "/dbaas/logs/{serviceName}/output/graylog/stream/{streamId}/archive/{archiveId}";
  		StringBuilder sb = path(qPath, serviceName, streamId, archiveId);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhArchive.class);
  	}
docs: Returns details of specified archive
  
  REST: GET /dbaas/logs/{serviceName}/output/graylog/stream/{streamId}/archive/{archiveId}
  @param serviceName [required] Service name
  @param streamId [required] Stream ID
  @param archiveId [required] Archive ID