HGTD_RecEvent → HGTD_DetDescr Relation

File in HighGranularityTimingDetector/HGTD_Reconstruction/HGTD_RecEvent	Includes file in HighGranularityTimingDetector/HGTD_DetDescr
HGTD_PrepRawData / HGTD_PrepRawData / HGTD_Cluster.h	HGTD_ReadoutGeometry / HGTD_ReadoutGeometry / HGTD_DetectorElement.h