SAP ABAP Program LSTXKFGS (Implementing an RTF Style Sheet in R/3) is using

• Class (3)
• Data Element (1)
• Table/Structure Field (21)
• Function Module (3)
• Message Number (4)
• Class Method (4)
• Table (5)

#	Object Type	Object Name	Object Description	Note
1	Class	CL_ABAP_CHAR_UTILITIES	Utilities for Processing Characters
2	Class	CL_ABAP_CONV_IN_CE	Code Page and Endian Conversion (External -> System Format)
3	Class	CL_GUI_FRONTEND_SERVICES	Frontend Services