src/vs/workbench/api/common/extHostTextEditor.ts/TextEditorEdit/constructor
class TextEditorEdit:	constructor(document: vscode.TextDocument, options: { undoStopBefore: boolean; undoStopAfter: boolean }) {
		this._document = document;
		this._documentVersionId = document.version;
		this._undoStopBefore = options.undoStopBefore;
		this._undoStopAfter = options.undoStopAfter;
	}