Where Used List (Interface) for SAP ABAP Data Element DEVLAYER (Transport Layer in ABAP Workbench)

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

1	Interface	IF_CTS_REST_API	Rest API interface	SCTS_REQ_RES_API	BASIS	SAP_BASIS
2	Interface	IF_EX_WB_PACKAGE_DEFAULTS	Business Add-In Interface IF_EX_WB_PACKAGE_DEFAULTS	SPAK_API	BASIS	SAP_BASIS
3	Interface	IF_PACKAGE	Interface for Packages	SPAK_API	BASIS	SAP_BASIS
4	Interface	IF_PAK_OBJECT_PROPERTIES	Interface for BAdI: PAK_OBJECT_PROPERTIES	SPAK_API_OBJECTS_BADI_FRMWRK	BASIS	SAP_BASIS
5	Interface	IF_SGEN_CONSTANTS	Constants for SGEN	SLGN	BASIS	SAP_BASIS