@@ -16,7 +16,7 @@ void main() {
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({super.key});
 
   @override
   Widget build(BuildContext context) {
 
@@ -3,7 +3,7 @@ description: An example of the vector_graphics package
 publish_to: 'none'
 
 environment:
-  sdk: ">=2.16.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
 
 dependencies:
   http: any
 
@@ -29,7 +29,7 @@ class VectorGraphic extends StatefulWidget {
   ///
   /// See [VectorGraphic].
   const VectorGraphic({
-    Key? key,
+    super.key,
     required this.loader,
     this.width,
     this.height,
@@ -40,9 +40,8 @@ class VectorGraphic extends StatefulWidget {
     this.placeholderBuilder,
     this.colorFilter,
     this.opacity = 1.0,
-  })  : assert(opacity >= 0.0 && opacity <= 1.0,
-            'opacity must be a value between 0.0 and 1.0'),
-        super(key: key);
+  }) : assert(opacity >= 0.0 && opacity <= 1.0,
+            'opacity must be a value between 0.0 and 1.0');
 
   /// A delegate for fetching the raw bytes of the vector graphic.
   ///
@@ -315,11 +314,10 @@ class NetworkBytesLoader extends BytesLoader {
 
 class _RawVectorGraphicWidget extends SingleChildRenderObjectWidget {
   const _RawVectorGraphicWidget({
-    Key? key,
     required this.pictureInfo,
     required this.colorFilter,
     required this.opacity,
-  }) : super(key: key);
+  });
 
   final PictureInfo pictureInfo;
   final ColorFilter? colorFilter;
 
@@ -4,7 +4,7 @@ version: 0.0.1
 homepage: https://github.com/dnfield/vector_graphics
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.17.0 <3.0.0"
   flutter: ">=1.17.0"
 
 dependencies:
 
@@ -85,11 +85,10 @@ class ViewportNode extends ParentNode {
     required this.width,
     required this.height,
     required AffineMatrix transform,
-    List<Node>? children,
+    super.children,
   }) : super(
           attributes,
           precalculatedTransform: transform,
-          children: children,
         );
 
   /// The width of the viewport in pixels.
@@ -114,12 +113,11 @@ typedef NodeCallback = void Function(Node child);
 class ParentNode extends AttributedNode {
   /// Creates a new [ParentNode].
   ParentNode(
-    SvgAttributes attributes, {
+    super.attributes, {
     AffineMatrix? precalculatedTransform,
     List<Node>? children,
   })  : transform = precalculatedTransform ?? attributes.transform,
-        _children = children ?? <Node>[],
-        super(attributes);
+        _children = children ?? <Node>[];
 
   /// The transform to apply to this subtree, if any.
   final AffineMatrix transform;
@@ -214,9 +212,8 @@ class SaveLayerNode extends ParentNode {
   SaveLayerNode(
     SvgAttributes attributes, {
     required this.paint,
-    List<Node>? children,
-  }) : super(attributes,
-            children: children, precalculatedTransform: AffineMatrix.identity);
+    super.children,
+  }) : super(attributes, precalculatedTransform: AffineMatrix.identity);
 
   /// The paint to apply to the saved layer.
   final Paint paint;
@@ -325,7 +322,7 @@ class MaskNode extends Node {
 class PathNode extends AttributedNode {
   /// Creates a new leaf node for the graphics tree with the specified [path]
   /// and attributes
-  PathNode(this.path, SvgAttributes attributes) : super(attributes);
+  PathNode(this.path, super.attributes);
 
   /// The description of the geometry this leaf node draws.
   final Path path;
@@ -409,8 +406,8 @@ class TextNode extends AttributedNode {
     this.absolute,
     this.fontSize,
     this.fontWeight,
-    SvgAttributes attributes,
-  ) : super(attributes);
+    super.attributes,
+  );
 
   /// The text this node contains.
   final String text;
 
@@ -8,7 +8,7 @@ executables:
   vector_graphics_compiler:
 
 environment:
-  sdk: '>=2.12.0 <3.0.0'
+  sdk: '>=2.17.0 <3.0.0'
 
 dependencies:
   meta: ^1.7.0
Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@ void main() {`
`16`	`16`	`}`
`17`	`17`
`18`	`18`	`class MyApp extends StatelessWidget {`
`19`		`- const MyApp({Key? key}) : super(key: key);`
	`19`	`+ const MyApp({super.key});`
`20`	`20`
`21`	`21`	`@override`
`22`	`22`	`Widget build(BuildContext context) {`