validate the incoming request for mandatory parameters . concode_field_sep IFetcherRunRecorderService fetcherRunRecorderServiceImpl concode_elem_sep IFetcherWorkAreaService fetcherWorkAreaServiceImpl concode_elem_sep Logger logger concode_field_sep void createDelayeredWorkareas concode_elem_sep void populatePclFetcherWorkAreaDefaults concode_elem_sep ActivityResponse perform concode_elem_sep void validateConfiguration concode_elem_sep void performDelayering