SAP ABAP Program RSRV_CUSTOMIZE (Maintenance of Tests for Transaction RSRV) is using

• Class (3)
• Data Element (6)
• Table/Structure Field (26)
• Function Module (5)
• Message Class (1)
• Message Number (3)
• Class Method (1)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_ABAP_CLASSDESCR	Runtime Type Services
2	Class	CL_ABAP_OBJECTDESCR	Runtime Type Services
3	Class	CL_ABAP_TYPEDESCR	Runtime Type Services