SAP ABAP Function Module TREX_RFC_CONNECTION_TEST (Connection test via RFC.) is using

• Class (4)
• Data Element (1)
• Table/Structure Field (20)
• Function Module (1)
• Interface (3)
• Class Method (6)
• Table (7)

#	Object Type	Object Name	Object Description	Note
1	Class Method	CL_ABAP_RUNTIME - CREATE_LR_TIMER	Help Class for Runtime Measurement
2	Class Method	CL_SXML_STRING_WRITER - CREATE	XML String Writer of sXML Library
3	Class Method	CL_SXML_STRING_WRITER - GET_OUTPUT	XML String Writer of sXML Library
4	Class Method	CX_ROOT - GET_TEXT	Abstract Superclass for All Global Exceptions
5	Class Method	IF_ABAP_RUNTIME - GET_RUNTIME	Timer Interface
6	Class Method	IF_MESSAGE - GET_TEXT	Interface for Accessing Texts from Message Objects