SAP ABAP Class CL_GDV_CONSTRAINT (ABAP Unit Generic Data Constraint) is using

• Class (10)
• Data Element (1)
• Table/Structure Field (14)
• Function Module (2)
• Interface (4)
• Class Method (10)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Data Element	CHAR30	30 Characters