src/vs/workbench/api/browser/mainThreadEditors.ts/MainThreadTextEditors/handleTextEditorAdded
class MainThreadTextEditors:	handleTextEditorAdded(textEditor: MainThreadTextEditor): void {
		const id = textEditor.getId();
		const toDispose: IDisposable[] = [];
		toDispose.push(textEditor.onPropertiesChanged((data) => {
			this._proxy.$acceptEditorPropertiesChanged(id, data);
		}));

		this._textEditorsListenersMap[id] = toDispose;
	}