src/vs/editor/common/model/textModel.ts/TextModel/_validateEditOperations
class TextModel:	private _validateEditOperations(rawOperations: model.IIdentifiedSingleEditOperation[]): model.ValidAnnotatedEditOperation[] {
		const result: model.ValidAnnotatedEditOperation[] = [];
		for (let i = 0, len = rawOperations.length; i < len; i++) {
			result[i] = this._validateEditOperation(rawOperations[i]);
		}
		return result;
	}