SAP ABAP Class CL_REEX_WB_TREE_REL_SET_OBJ (Tree Assignment in Browser: "Subord. Sets" Relationships) is using

• Class (21)
• Data Element (10)
• Table/Structure Field (19)
• Interface (6)
• Class Method (18)
• Program (1)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Program	IFRECAMSG	Macros for Messages, Trace, Date, etc. (Library)