SAP ABAP Program TREX_RFC_JOINS (test joins: create, index, search, delete) is using

• Class (6)
• Table/Structure Field (61)
• Function Module (8)
• Interface (1)
• Class Method (5)
• Table (14)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_ABAP_STRUCTDESCR	Runtime Type Services
2	Class	CL_ABAP_TABLEDESCR	Runtime Type Services
3	Class	CL_ABAP_TYPEDESCR	Runtime Type Services
4	Class	CL_TREX_UTILITY	TREX utility.
5	Class	CX_ROOT	Abstract Superclass for All Global Exceptions
6	Class	CX_TREX_BAD_REQUEST	Unexpected data received from application.