src/vs/editor/common/model/textModel.ts/TextModel/_createContentChanged2
class TextModel:	private _createContentChanged2(range: Range, rangeOffset: number, rangeLength: number, text: string, isUndoing: boolean, isRedoing: boolean, isFlush: boolean): IModelContentChangedEvent {
		return {
			changes: [{
				range: range,
				rangeOffset: rangeOffset,
				rangeLength: rangeLength,
				text: text,
			}],
			eol: this._buffer.getEOL(),
			versionId: this.getVersionId(),
			isUndoing: isUndoing,
			isRedoing: isRedoing,
			isFlush: isFlush
		};
	}