src/vs/workbench/contrib/mergeEditor/browser/view/mergeEditor.ts/MergeEditor/createEditorControl
class MergeEditor:	protected createEditorControl(parent: HTMLElement, initialOptions: ICodeEditorOptions): void {
		this.rootHtmlElement = parent;
		parent.classList.add('merge-editor');
		this.applyLayout(this._layoutMode.value);
		this.applyOptions(initialOptions);
	}