SAP ABAP Program ROSOA_CHANGE_KEY (DataSource A Version: Key Definition) is using

• Class (3)
• Data Element (15)
• Table/Structure Field (96)
• Function Module (26)
• Message Class (2)
• Message Number (13)
• Class Method (1)
• Table (18)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_ABAP_STRUCTDESCR	Runtime Type Services
2	Class	CL_ABAP_TYPEDESCR	Runtime Type Services
3	Class	CX_ROOT	Abstract Superclass for All Global Exceptions