src/vs/workbench/api/common/extHostTextEditors.ts/ExtHostEditors/$acceptEditorPositionData
class ExtHostEditors:	$acceptEditorPositionData(data: ITextEditorPositionData): void {
		for (const id in data) {
			const textEditor = this._extHostDocumentsAndEditors.getEditor(id);
			if (!textEditor) {
				throw new Error('Unknown text editor');
			}
			const viewColumn = TypeConverters.ViewColumn.to(data[id]);
			if (textEditor.value.viewColumn !== viewColumn) {
				textEditor._acceptViewColumn(viewColumn);
				this._onDidChangeTextEditorViewColumn.fire({ textEditor: textEditor.value, viewColumn });
			}
		}
	}