SAP ABAP Class CL_GRFN_IO_UTILITY (IO Utilities) is using

• Class (37)
• Data Element (27)
• Table/Structure Field (43)
• Interface (21)
• Class Method (56)
• Table (22)

#	Object Type	Object Name	Object Description	Note
1	Table	BAPIRET2	Return Parameter
2	Table	GRFNOBJTYPE	OBJTYPE to OTYPE mapping table
3	Table	GRFNOBJTYPE	OBJTYPE to OTYPE mapping table
4	Table	GRFN_HR_KEY	HR Key
5	Table	GRFN_HR_KEY	HR Key
6	Table	GRFN_S_DESCRIPT	Description
7	Table	GRFN_S_HR1001_KEY	Key structure for 1001 infotype table.
8	Table	GRFN_S_HR1001_KEY	Key structure for 1001 infotype table.
9	Table	GRFN_S_OBJECT_CONT	InfoTypes per Object Type Structure
10	Table	GRFN_S_OBJECT_DATA	Object data
11	Table	GRFN_S_OBJECT_DATA	Object data
12	Table	GRFN_S_OBJECT_DATA	Object data
13	Table	GRFN_S_OBJECT_DATA	Object data
14	Table	GRFN_S_OBJECT_DATA	Object data
15	Table	GRFN_S_RELAT_DATA	Relat data between objects
16	Table	GRFN_S_RELAT_DATA	Relat data between objects
17	Table	GRFN_S_VALIDITY	Validity, contains valid from and valid to
18	Table	GRFN_S_VALIDITY	Validity, contains valid from and valid to
19	Table	HRI1000	Infotype 1000 Fields
20	Table	P1002_EXP	Infotype 1002 Expanded
21	Table	T002	Language Keys (Component BC-I18)
22	Table	T002	Language Keys (Component BC-I18)