src/vs/workbench/contrib/debug/common/debugModel.ts/ExceptionBreakpoint/setSupportedSession
class ExceptionBreakpoint:	setSupportedSession(sessionId: string, supported: boolean): void {
		if (supported) {
			this.supportedSessions.add(sessionId);
		}
		else {
			this.supportedSessions.delete(sessionId);
		}
	}