Where Used List (Table) for SAP ABAP Data Element ESD_COLUMN_KEY (Unique key for a tree column)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component

1	Table	ESD_TREE_CELL_S - COLUMN_KEY	ESD: Cell of a tree node	SESD_ESI_OBJECT_EDITORS_REUSE	BASIS	SAP_BASIS
2	Table	ESD_TREE_COLUMN_HEADER_S - COLUMN_KEY	ESD: Information of a single tree header	SESD_ESI_OBJECT_EDITORS_REUSE	BASIS	SAP_BASIS