src/vs/workbench/contrib/debug/common/debugModel.ts/DebugModel/rawUpdate
class DebugModel:	rawUpdate(data: IRawModelUpdate): void {
		let session = this.sessions.find(p => p.getId() === data.sessionId);
		if (session) {
			session.rawUpdate(data);
			this._onDidChangeCallStack.fire(undefined);
		}
	}