src/vs/workbench/api/common/extHostDebugService.ts/ExtHostDebugServiceBase/$acceptDebugSessionCustomEvent
class ExtHostDebugServiceBase:	public async $acceptDebugSessionCustomEvent(sessionDto: IDebugSessionDto, event: any): Promise<void> {
		const session = await this.getSession(sessionDto);
		const ee: vscode.DebugSessionCustomEvent = {
			session: session,
			event: event.event,
			body: event.body
		};
		this._onDidReceiveDebugSessionCustomEvent.fire(ee);
	}