Flutter snippets for stateful and stateless widgets

dartsnippet.json

{
  "stateless": {
    "prefix": "fless",
    "body": [
      "import 'package:flutter/material.dart';",
      "class $1 extends StatelessWidget {",
      "\t@override",
      "\tWidget build(BuildContext context) {",
      "\t\treturn Container(",
      "\t\t\t$2",
      "\t\t);",
      "\t}",
      "}"
    ]
  },

  "stateful": {
    "prefix": "ffull",
    "body": [
      "import 'package:flutter/material.dart';",
      "class $1 extends StatefulWidget {",
      "\t@override",
      " \t_$1State createState() => _$1State();",
      "}",

      "class _$1State extends State<$1> {",
      " \t@override",
      " \tWidget build(BuildContext context) {",
      "\t\treturn Container(",
      " \t\t\t$2",
      "\t\t);",
      "\t}",
      "} "
    ]
  }
}

	"widgetPaginatedList": {
		"prefix": "WidgetPaginatedList",
		"body": [
			"import 'package:fleet_flutter/widgets/WidgetPaginatedList.dart';",
			"WidgetPaginatedList(",
			"\tpageListController: _pagingController,",
			"\titemBuilder: (item, index) {",
			"\t\treturn Container();",
			"\t},",
			")"
		]
	}

Hi this is my code this works fine but this is a custom widget created for the paginated list. What I want when I use this then I the import sentence put it on the top

import 'package:fleet_flutter/widgets/WidgetPaginatedList.dart';

currently this sentence is called on exact above of that widget so I want to import this on the top of class