SAP ABAP Class CL_APC_KRN_SERVICES (ABAP Push Channel (APC) kernel methods) is using

• Class (16)
• Data Element (3)
• Table/Structure Field (20)
• Function Module (1)
• Interface (7)
• Class Method (21)
• Table (7)

#	Object Type	Object Name	Object Description	Note
1	Interface	IF_APC_WS_CLIENT	APC framework: WebSocket client interface (do not implement)
2	Interface	IF_APC_WS_CLIENT_EVENT_HANDLER	APC framework: WebSocket client interface
3	Interface	IF_APC_WS_CLIENT_EVENT_HANDLER	APC framework: WebSocket client interface
4	Interface	IF_APC_WS_CLIENT_INITIAL_REQ	APC framework: Client initial request (do not implement)
5	Interface	IF_APC_WS_MESSAGE	APC framework: Message interface (do not implement)
6	Interface	IF_APC_WS_MESSAGE	APC framework: Message interface (do not implement)
7	Interface	IF_MESSAGE	Interface for Accessing Texts from Message Objects