src/vs/editor/common/model/textModel.ts/TextModel/onDidChangeContentOrInjectedText
class TextModel:	public onDidChangeContentOrInjectedText(listener: (e: InternalModelContentChangeEvent | ModelInjectedTextChangedEvent) => void): IDisposable {
		return combinedDisposable(
			this._eventEmitter.fastEvent(e => listener(e)),
			this._onDidChangeInjectedText.event(e => listener(e))
		);
	}