src/vs/workbench/api/browser/mainThreadEditors.ts/MainThreadTextEditors/$tryRevealRange
class MainThreadTextEditors:	$tryRevealRange(id: string, range: IRange, revealType: TextEditorRevealType): Promise<void> {
		const editor = this._editorLocator.getEditor(id);
		if (!editor) {
			return Promise.reject(disposed(`TextEditor(${id})`));
		}
		editor.revealRange(range, revealType);
		return Promise.resolve();
	}