[code_builder] Drop unused dev_deps and rebuild (#2407)
diff --git a/pkgs/code_builder/lib/src/specs/class.g.dart b/pkgs/code_builder/lib/src/specs/class.g.dart
index 3a558a5..3ea0e7d 100644
--- a/pkgs/code_builder/lib/src/specs/class.g.dart
+++ b/pkgs/code_builder/lib/src/specs/class.g.dart
@@ -37,7 +37,7 @@
   final String name;
 
   factory _$Class([void Function(ClassBuilder)? updates]) =>
-      (new ClassBuilder()..update(updates)).build() as _$Class;
+      (ClassBuilder()..update(updates)).build() as _$Class;
 
   _$Class._({
     required this.abstract,
@@ -54,31 +54,13 @@
     required this.methods,
     required this.fields,
     required this.name,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(abstract, r'Class', 'abstract');
-    BuiltValueNullFieldError.checkNotNull(sealed, r'Class', 'sealed');
-    BuiltValueNullFieldError.checkNotNull(mixin, r'Class', 'mixin');
-    BuiltValueNullFieldError.checkNotNull(annotations, r'Class', 'annotations');
-    BuiltValueNullFieldError.checkNotNull(docs, r'Class', 'docs');
-    BuiltValueNullFieldError.checkNotNull(implements, r'Class', 'implements');
-    BuiltValueNullFieldError.checkNotNull(mixins, r'Class', 'mixins');
-    BuiltValueNullFieldError.checkNotNull(types, r'Class', 'types');
-    BuiltValueNullFieldError.checkNotNull(
-      constructors,
-      r'Class',
-      'constructors',
-    );
-    BuiltValueNullFieldError.checkNotNull(methods, r'Class', 'methods');
-    BuiltValueNullFieldError.checkNotNull(fields, r'Class', 'fields');
-    BuiltValueNullFieldError.checkNotNull(name, r'Class', 'name');
-  }
-
+  }) : super._();
   @override
   Class rebuild(void Function(ClassBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$ClassBuilder toBuilder() => new _$ClassBuilder()..replace(this);
+  _$ClassBuilder toBuilder() => _$ClassBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -339,7 +321,6 @@
 
   @override
   void replace(Class other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Class;
   }
 
@@ -356,7 +337,7 @@
     try {
       _$result =
           _$v ??
-          new _$Class._(
+          _$Class._(
             abstract: BuiltValueNullFieldError.checkNotNull(
               abstract,
               r'Class',
@@ -405,11 +386,7 @@
         _$failedField = 'fields';
         fields.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
-          r'Class',
-          _$failedField,
-          e.toString(),
-        );
+        throw BuiltValueNestedFieldError(r'Class', _$failedField, e.toString());
       }
       rethrow;
     }
diff --git a/pkgs/code_builder/lib/src/specs/code.g.dart b/pkgs/code_builder/lib/src/specs/code.g.dart
index 27d3f45..8b9f33d 100644
--- a/pkgs/code_builder/lib/src/specs/code.g.dart
+++ b/pkgs/code_builder/lib/src/specs/code.g.dart
@@ -11,18 +11,15 @@
   final BuiltList<Code> statements;
 
   factory _$Block([void Function(BlockBuilder)? updates]) =>
-      (new BlockBuilder()..update(updates)).build() as _$Block;
+      (BlockBuilder()..update(updates)).build() as _$Block;
 
-  _$Block._({required this.statements}) : super._() {
-    BuiltValueNullFieldError.checkNotNull(statements, r'Block', 'statements');
-  }
-
+  _$Block._({required this.statements}) : super._();
   @override
   Block rebuild(void Function(BlockBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$BlockBuilder toBuilder() => new _$BlockBuilder()..replace(this);
+  _$BlockBuilder toBuilder() => _$BlockBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -73,7 +70,6 @@
 
   @override
   void replace(Block other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Block;
   }
 
@@ -88,18 +84,14 @@
   _$Block _build() {
     _$Block _$result;
     try {
-      _$result = _$v ?? new _$Block._(statements: statements.build());
+      _$result = _$v ?? _$Block._(statements: statements.build());
     } catch (_) {
       late String _$failedField;
       try {
         _$failedField = 'statements';
         statements.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
-          r'Block',
-          _$failedField,
-          e.toString(),
-        );
+        throw BuiltValueNestedFieldError(r'Block', _$failedField, e.toString());
       }
       rethrow;
     }
diff --git a/pkgs/code_builder/lib/src/specs/constructor.g.dart b/pkgs/code_builder/lib/src/specs/constructor.g.dart
index 4a72a02..032e1f0 100644
--- a/pkgs/code_builder/lib/src/specs/constructor.g.dart
+++ b/pkgs/code_builder/lib/src/specs/constructor.g.dart
@@ -33,7 +33,7 @@
   final Reference? redirect;
 
   factory _$Constructor([void Function(ConstructorBuilder)? updates]) =>
-      (new ConstructorBuilder()..update(updates)).build() as _$Constructor;
+      (ConstructorBuilder()..update(updates)).build() as _$Constructor;
 
   _$Constructor._({
     required this.annotations,
@@ -48,39 +48,13 @@
     this.lambda,
     this.name,
     this.redirect,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'Constructor',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'Constructor', 'docs');
-    BuiltValueNullFieldError.checkNotNull(
-      optionalParameters,
-      r'Constructor',
-      'optionalParameters',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      requiredParameters,
-      r'Constructor',
-      'requiredParameters',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      initializers,
-      r'Constructor',
-      'initializers',
-    );
-    BuiltValueNullFieldError.checkNotNull(external, r'Constructor', 'external');
-    BuiltValueNullFieldError.checkNotNull(constant, r'Constructor', 'constant');
-    BuiltValueNullFieldError.checkNotNull(factory, r'Constructor', 'factory');
-  }
-
+  }) : super._();
   @override
   Constructor rebuild(void Function(ConstructorBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$ConstructorBuilder toBuilder() => new _$ConstructorBuilder()..replace(this);
+  _$ConstructorBuilder toBuilder() => _$ConstructorBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -309,7 +283,6 @@
 
   @override
   void replace(Constructor other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Constructor;
   }
 
@@ -326,7 +299,7 @@
     try {
       _$result =
           _$v ??
-          new _$Constructor._(
+          _$Constructor._(
             annotations: annotations.build(),
             docs: docs.build(),
             optionalParameters: optionalParameters.build(),
@@ -366,7 +339,7 @@
         _$failedField = 'initializers';
         initializers.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'Constructor',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/directive.g.dart b/pkgs/code_builder/lib/src/specs/directive.g.dart
index 0cc014a..f47d0c4 100644
--- a/pkgs/code_builder/lib/src/specs/directive.g.dart
+++ b/pkgs/code_builder/lib/src/specs/directive.g.dart
@@ -21,7 +21,7 @@
   final bool deferred;
 
   factory _$Directive([void Function(DirectiveBuilder)? updates]) =>
-      (new DirectiveBuilder()..update(updates)).build() as _$Directive;
+      (DirectiveBuilder()..update(updates)).build() as _$Directive;
 
   _$Directive._({
     this.as,
@@ -30,20 +30,13 @@
     required this.show,
     required this.hide,
     required this.deferred,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(url, r'Directive', 'url');
-    BuiltValueNullFieldError.checkNotNull(type, r'Directive', 'type');
-    BuiltValueNullFieldError.checkNotNull(show, r'Directive', 'show');
-    BuiltValueNullFieldError.checkNotNull(hide, r'Directive', 'hide');
-    BuiltValueNullFieldError.checkNotNull(deferred, r'Directive', 'deferred');
-  }
-
+  }) : super._();
   @override
   Directive rebuild(void Function(DirectiveBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$DirectiveBuilder toBuilder() => new _$DirectiveBuilder()..replace(this);
+  _$DirectiveBuilder toBuilder() => _$DirectiveBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -176,7 +169,6 @@
 
   @override
   void replace(Directive other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Directive;
   }
 
@@ -191,7 +183,7 @@
   _$Directive _build() {
     final _$result =
         _$v ??
-        new _$Directive._(
+        _$Directive._(
           as: as,
           url: BuiltValueNullFieldError.checkNotNull(url, r'Directive', 'url'),
           type: BuiltValueNullFieldError.checkNotNull(
diff --git a/pkgs/code_builder/lib/src/specs/enum.g.dart b/pkgs/code_builder/lib/src/specs/enum.g.dart
index 8c2e358..9969123 100644
--- a/pkgs/code_builder/lib/src/specs/enum.g.dart
+++ b/pkgs/code_builder/lib/src/specs/enum.g.dart
@@ -29,7 +29,7 @@
   final BuiltList<Field> fields;
 
   factory _$Enum([void Function(EnumBuilder)? updates]) =>
-      (new EnumBuilder()..update(updates)).build() as _$Enum;
+      (EnumBuilder()..update(updates)).build() as _$Enum;
 
   _$Enum._({
     required this.name,
@@ -42,29 +42,13 @@
     required this.constructors,
     required this.methods,
     required this.fields,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(name, r'Enum', 'name');
-    BuiltValueNullFieldError.checkNotNull(values, r'Enum', 'values');
-    BuiltValueNullFieldError.checkNotNull(annotations, r'Enum', 'annotations');
-    BuiltValueNullFieldError.checkNotNull(docs, r'Enum', 'docs');
-    BuiltValueNullFieldError.checkNotNull(implements, r'Enum', 'implements');
-    BuiltValueNullFieldError.checkNotNull(mixins, r'Enum', 'mixins');
-    BuiltValueNullFieldError.checkNotNull(types, r'Enum', 'types');
-    BuiltValueNullFieldError.checkNotNull(
-      constructors,
-      r'Enum',
-      'constructors',
-    );
-    BuiltValueNullFieldError.checkNotNull(methods, r'Enum', 'methods');
-    BuiltValueNullFieldError.checkNotNull(fields, r'Enum', 'fields');
-  }
-
+  }) : super._();
   @override
   Enum rebuild(void Function(EnumBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$EnumBuilder toBuilder() => new _$EnumBuilder()..replace(this);
+  _$EnumBuilder toBuilder() => _$EnumBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -261,7 +245,6 @@
 
   @override
   void replace(Enum other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Enum;
   }
 
@@ -278,7 +261,7 @@
     try {
       _$result =
           _$v ??
-          new _$Enum._(
+          _$Enum._(
             name: BuiltValueNullFieldError.checkNotNull(name, r'Enum', 'name'),
             values: values.build(),
             annotations: annotations.build(),
@@ -312,11 +295,7 @@
         _$failedField = 'fields';
         fields.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
-          r'Enum',
-          _$failedField,
-          e.toString(),
-        );
+        throw BuiltValueNestedFieldError(r'Enum', _$failedField, e.toString());
       }
       rethrow;
     }
@@ -342,7 +321,7 @@
   final BuiltMap<String, Expression> namedArguments;
 
   factory _$EnumValue([void Function(EnumValueBuilder)? updates]) =>
-      (new EnumValueBuilder()..update(updates)).build() as _$EnumValue;
+      (EnumValueBuilder()..update(updates)).build() as _$EnumValue;
 
   _$EnumValue._({
     required this.name,
@@ -352,29 +331,13 @@
     required this.types,
     required this.arguments,
     required this.namedArguments,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(name, r'EnumValue', 'name');
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'EnumValue',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'EnumValue', 'docs');
-    BuiltValueNullFieldError.checkNotNull(types, r'EnumValue', 'types');
-    BuiltValueNullFieldError.checkNotNull(arguments, r'EnumValue', 'arguments');
-    BuiltValueNullFieldError.checkNotNull(
-      namedArguments,
-      r'EnumValue',
-      'namedArguments',
-    );
-  }
-
+  }) : super._();
   @override
   EnumValue rebuild(void Function(EnumValueBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$EnumValueBuilder toBuilder() => new _$EnumValueBuilder()..replace(this);
+  _$EnumValueBuilder toBuilder() => _$EnumValueBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -523,7 +486,6 @@
 
   @override
   void replace(EnumValue other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$EnumValue;
   }
 
@@ -540,7 +502,7 @@
     try {
       _$result =
           _$v ??
-          new _$EnumValue._(
+          _$EnumValue._(
             name: BuiltValueNullFieldError.checkNotNull(
               name,
               r'EnumValue',
@@ -568,7 +530,7 @@
         _$failedField = 'namedArguments';
         namedArguments.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'EnumValue',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/extension.g.dart b/pkgs/code_builder/lib/src/specs/extension.g.dart
index 5782c3d..091d92e 100644
--- a/pkgs/code_builder/lib/src/specs/extension.g.dart
+++ b/pkgs/code_builder/lib/src/specs/extension.g.dart
@@ -23,7 +23,7 @@
   final String? name;
 
   factory _$Extension([void Function(ExtensionBuilder)? updates]) =>
-      (new ExtensionBuilder()..update(updates)).build() as _$Extension;
+      (ExtensionBuilder()..update(updates)).build() as _$Extension;
 
   _$Extension._({
     required this.annotations,
@@ -33,24 +33,13 @@
     required this.methods,
     required this.fields,
     this.name,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'Extension',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'Extension', 'docs');
-    BuiltValueNullFieldError.checkNotNull(types, r'Extension', 'types');
-    BuiltValueNullFieldError.checkNotNull(methods, r'Extension', 'methods');
-    BuiltValueNullFieldError.checkNotNull(fields, r'Extension', 'fields');
-  }
-
+  }) : super._();
   @override
   Extension rebuild(void Function(ExtensionBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$ExtensionBuilder toBuilder() => new _$ExtensionBuilder()..replace(this);
+  _$ExtensionBuilder toBuilder() => _$ExtensionBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -199,7 +188,6 @@
 
   @override
   void replace(Extension other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Extension;
   }
 
@@ -216,7 +204,7 @@
     try {
       _$result =
           _$v ??
-          new _$Extension._(
+          _$Extension._(
             annotations: annotations.build(),
             docs: docs.build(),
             on: on,
@@ -240,7 +228,7 @@
         _$failedField = 'fields';
         fields.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'Extension',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/extension_type.g.dart b/pkgs/code_builder/lib/src/specs/extension_type.g.dart
index 17443ce..1835f34 100644
--- a/pkgs/code_builder/lib/src/specs/extension_type.g.dart
+++ b/pkgs/code_builder/lib/src/specs/extension_type.g.dart
@@ -31,7 +31,7 @@
   final BuiltList<Method> methods;
 
   factory _$ExtensionType([void Function(ExtensionTypeBuilder)? updates]) =>
-      (new ExtensionTypeBuilder()..update(updates)).build() as _$ExtensionType;
+      (ExtensionTypeBuilder()..update(updates)).build() as _$ExtensionType;
 
   _$ExtensionType._({
     required this.annotations,
@@ -45,51 +45,13 @@
     required this.constructors,
     required this.fields,
     required this.methods,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'ExtensionType',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'ExtensionType', 'docs');
-    BuiltValueNullFieldError.checkNotNull(
-      constant,
-      r'ExtensionType',
-      'constant',
-    );
-    BuiltValueNullFieldError.checkNotNull(name, r'ExtensionType', 'name');
-    BuiltValueNullFieldError.checkNotNull(types, r'ExtensionType', 'types');
-    BuiltValueNullFieldError.checkNotNull(
-      primaryConstructorName,
-      r'ExtensionType',
-      'primaryConstructorName',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      representationDeclaration,
-      r'ExtensionType',
-      'representationDeclaration',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      implements,
-      r'ExtensionType',
-      'implements',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      constructors,
-      r'ExtensionType',
-      'constructors',
-    );
-    BuiltValueNullFieldError.checkNotNull(fields, r'ExtensionType', 'fields');
-    BuiltValueNullFieldError.checkNotNull(methods, r'ExtensionType', 'methods');
-  }
-
+  }) : super._();
   @override
   ExtensionType rebuild(void Function(ExtensionTypeBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$ExtensionTypeBuilder toBuilder() =>
-      new _$ExtensionTypeBuilder()..replace(this);
+  _$ExtensionTypeBuilder toBuilder() => _$ExtensionTypeBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -304,7 +266,6 @@
 
   @override
   void replace(ExtensionType other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$ExtensionType;
   }
 
@@ -321,7 +282,7 @@
     try {
       _$result =
           _$v ??
-          new _$ExtensionType._(
+          _$ExtensionType._(
             annotations: annotations.build(),
             docs: docs.build(),
             constant: BuiltValueNullFieldError.checkNotNull(
@@ -370,7 +331,7 @@
         _$failedField = 'methods';
         methods.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'ExtensionType',
           _$failedField,
           e.toString(),
@@ -396,7 +357,7 @@
   factory _$RepresentationDeclaration([
     void Function(RepresentationDeclarationBuilder)? updates,
   ]) =>
-      (new RepresentationDeclarationBuilder()..update(updates)).build()
+      (RepresentationDeclarationBuilder()..update(updates)).build()
           as _$RepresentationDeclaration;
 
   _$RepresentationDeclaration._({
@@ -404,29 +365,7 @@
     required this.docs,
     required this.declaredRepresentationType,
     required this.name,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'RepresentationDeclaration',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      docs,
-      r'RepresentationDeclaration',
-      'docs',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      declaredRepresentationType,
-      r'RepresentationDeclaration',
-      'declaredRepresentationType',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      name,
-      r'RepresentationDeclaration',
-      'name',
-    );
-  }
-
+  }) : super._();
   @override
   RepresentationDeclaration rebuild(
     void Function(RepresentationDeclarationBuilder) updates,
@@ -434,7 +373,7 @@
 
   @override
   _$RepresentationDeclarationBuilder toBuilder() =>
-      new _$RepresentationDeclarationBuilder()..replace(this);
+      _$RepresentationDeclarationBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -536,7 +475,6 @@
 
   @override
   void replace(RepresentationDeclaration other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$RepresentationDeclaration;
   }
 
@@ -553,7 +491,7 @@
     try {
       _$result =
           _$v ??
-          new _$RepresentationDeclaration._(
+          _$RepresentationDeclaration._(
             annotations: annotations.build(),
             docs: docs.build(),
             declaredRepresentationType: BuiltValueNullFieldError.checkNotNull(
@@ -575,7 +513,7 @@
         _$failedField = 'docs';
         docs.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'RepresentationDeclaration',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/field.g.dart b/pkgs/code_builder/lib/src/specs/field.g.dart
index 15913b8..674f4f0 100644
--- a/pkgs/code_builder/lib/src/specs/field.g.dart
+++ b/pkgs/code_builder/lib/src/specs/field.g.dart
@@ -27,7 +27,7 @@
   final FieldModifier modifier;
 
   factory _$Field([void Function(FieldBuilder)? updates]) =>
-      (new FieldBuilder()..update(updates)).build() as _$Field;
+      (FieldBuilder()..update(updates)).build() as _$Field;
 
   _$Field._({
     required this.annotations,
@@ -39,22 +39,13 @@
     required this.name,
     this.type,
     required this.modifier,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(annotations, r'Field', 'annotations');
-    BuiltValueNullFieldError.checkNotNull(docs, r'Field', 'docs');
-    BuiltValueNullFieldError.checkNotNull(static, r'Field', 'static');
-    BuiltValueNullFieldError.checkNotNull(late, r'Field', 'late');
-    BuiltValueNullFieldError.checkNotNull(external, r'Field', 'external');
-    BuiltValueNullFieldError.checkNotNull(name, r'Field', 'name');
-    BuiltValueNullFieldError.checkNotNull(modifier, r'Field', 'modifier');
-  }
-
+  }) : super._();
   @override
   Field rebuild(void Function(FieldBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$FieldBuilder toBuilder() => new _$FieldBuilder()..replace(this);
+  _$FieldBuilder toBuilder() => _$FieldBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -235,7 +226,6 @@
 
   @override
   void replace(Field other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Field;
   }
 
@@ -252,7 +242,7 @@
     try {
       _$result =
           _$v ??
-          new _$Field._(
+          _$Field._(
             annotations: annotations.build(),
             docs: docs.build(),
             assignment: assignment,
@@ -283,11 +273,7 @@
         _$failedField = 'docs';
         docs.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
-          r'Field',
-          _$failedField,
-          e.toString(),
-        );
+        throw BuiltValueNestedFieldError(r'Field', _$failedField, e.toString());
       }
       rethrow;
     }
diff --git a/pkgs/code_builder/lib/src/specs/library.g.dart b/pkgs/code_builder/lib/src/specs/library.g.dart
index 36e9463..aee8fa6 100644
--- a/pkgs/code_builder/lib/src/specs/library.g.dart
+++ b/pkgs/code_builder/lib/src/specs/library.g.dart
@@ -25,7 +25,7 @@
   final String? name;
 
   factory _$Library([void Function(LibraryBuilder)? updates]) =>
-      (new LibraryBuilder()..update(updates)).build() as _$Library;
+      (LibraryBuilder()..update(updates)).build() as _$Library;
 
   _$Library._({
     required this.annotations,
@@ -36,29 +36,13 @@
     this.generatedByComment,
     required this.ignoreForFile,
     this.name,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'Library',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'Library', 'docs');
-    BuiltValueNullFieldError.checkNotNull(directives, r'Library', 'directives');
-    BuiltValueNullFieldError.checkNotNull(body, r'Library', 'body');
-    BuiltValueNullFieldError.checkNotNull(comments, r'Library', 'comments');
-    BuiltValueNullFieldError.checkNotNull(
-      ignoreForFile,
-      r'Library',
-      'ignoreForFile',
-    );
-  }
-
+  }) : super._();
   @override
   Library rebuild(void Function(LibraryBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$LibraryBuilder toBuilder() => new _$LibraryBuilder()..replace(this);
+  _$LibraryBuilder toBuilder() => _$LibraryBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -223,7 +207,6 @@
 
   @override
   void replace(Library other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Library;
   }
 
@@ -240,7 +223,7 @@
     try {
       _$result =
           _$v ??
-          new _$Library._(
+          _$Library._(
             annotations: annotations.build(),
             docs: docs.build(),
             directives: directives.build(),
@@ -267,7 +250,7 @@
         _$failedField = 'ignoreForFile';
         ignoreForFile.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'Library',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/method.g.dart b/pkgs/code_builder/lib/src/specs/method.g.dart
index ecdf902..7df08cb 100644
--- a/pkgs/code_builder/lib/src/specs/method.g.dart
+++ b/pkgs/code_builder/lib/src/specs/method.g.dart
@@ -35,7 +35,7 @@
   final Reference? returns;
 
   factory _$Method([void Function(MethodBuilder)? updates]) =>
-      (new MethodBuilder()..update(updates)).build() as _$Method;
+      (MethodBuilder()..update(updates)).build() as _$Method;
 
   _$Method._({
     required this.annotations,
@@ -51,34 +51,13 @@
     this.type,
     this.modifier,
     this.returns,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'Method',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'Method', 'docs');
-    BuiltValueNullFieldError.checkNotNull(types, r'Method', 'types');
-    BuiltValueNullFieldError.checkNotNull(
-      optionalParameters,
-      r'Method',
-      'optionalParameters',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      requiredParameters,
-      r'Method',
-      'requiredParameters',
-    );
-    BuiltValueNullFieldError.checkNotNull(external, r'Method', 'external');
-    BuiltValueNullFieldError.checkNotNull(static, r'Method', 'static');
-  }
-
+  }) : super._();
   @override
   Method rebuild(void Function(MethodBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$MethodBuilder toBuilder() => new _$MethodBuilder()..replace(this);
+  _$MethodBuilder toBuilder() => _$MethodBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -323,7 +302,6 @@
 
   @override
   void replace(Method other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Method;
   }
 
@@ -340,7 +318,7 @@
     try {
       _$result =
           _$v ??
-          new _$Method._(
+          _$Method._(
             annotations: annotations.build(),
             docs: docs.build(),
             types: types.build(),
@@ -377,7 +355,7 @@
         _$failedField = 'requiredParameters';
         requiredParameters.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'Method',
           _$failedField,
           e.toString(),
@@ -415,7 +393,7 @@
   final bool covariant;
 
   factory _$Parameter([void Function(ParameterBuilder)? updates]) =>
-      (new ParameterBuilder()..update(updates)).build() as _$Parameter;
+      (ParameterBuilder()..update(updates)).build() as _$Parameter;
 
   _$Parameter._({
     this.defaultTo,
@@ -429,28 +407,13 @@
     this.type,
     required this.required,
     required this.covariant,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(name, r'Parameter', 'name');
-    BuiltValueNullFieldError.checkNotNull(named, r'Parameter', 'named');
-    BuiltValueNullFieldError.checkNotNull(toThis, r'Parameter', 'toThis');
-    BuiltValueNullFieldError.checkNotNull(toSuper, r'Parameter', 'toSuper');
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'Parameter',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'Parameter', 'docs');
-    BuiltValueNullFieldError.checkNotNull(types, r'Parameter', 'types');
-    BuiltValueNullFieldError.checkNotNull(required, r'Parameter', 'required');
-    BuiltValueNullFieldError.checkNotNull(covariant, r'Parameter', 'covariant');
-  }
-
+  }) : super._();
   @override
   Parameter rebuild(void Function(ParameterBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$ParameterBuilder toBuilder() => new _$ParameterBuilder()..replace(this);
+  _$ParameterBuilder toBuilder() => _$ParameterBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -663,7 +626,6 @@
 
   @override
   void replace(Parameter other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Parameter;
   }
 
@@ -680,7 +642,7 @@
     try {
       _$result =
           _$v ??
-          new _$Parameter._(
+          _$Parameter._(
             defaultTo: defaultTo,
             name: BuiltValueNullFieldError.checkNotNull(
               name,
@@ -727,7 +689,7 @@
         _$failedField = 'types';
         types.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'Parameter',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/mixin.g.dart b/pkgs/code_builder/lib/src/specs/mixin.g.dart
index e84a379..207a7b9 100644
--- a/pkgs/code_builder/lib/src/specs/mixin.g.dart
+++ b/pkgs/code_builder/lib/src/specs/mixin.g.dart
@@ -27,7 +27,7 @@
   final String name;
 
   factory _$Mixin([void Function(MixinBuilder)? updates]) =>
-      (new MixinBuilder()..update(updates)).build() as _$Mixin;
+      (MixinBuilder()..update(updates)).build() as _$Mixin;
 
   _$Mixin._({
     required this.base,
@@ -39,23 +39,13 @@
     required this.methods,
     required this.fields,
     required this.name,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(base, r'Mixin', 'base');
-    BuiltValueNullFieldError.checkNotNull(annotations, r'Mixin', 'annotations');
-    BuiltValueNullFieldError.checkNotNull(docs, r'Mixin', 'docs');
-    BuiltValueNullFieldError.checkNotNull(implements, r'Mixin', 'implements');
-    BuiltValueNullFieldError.checkNotNull(types, r'Mixin', 'types');
-    BuiltValueNullFieldError.checkNotNull(methods, r'Mixin', 'methods');
-    BuiltValueNullFieldError.checkNotNull(fields, r'Mixin', 'fields');
-    BuiltValueNullFieldError.checkNotNull(name, r'Mixin', 'name');
-  }
-
+  }) : super._();
   @override
   Mixin rebuild(void Function(MixinBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$MixinBuilder toBuilder() => new _$MixinBuilder()..replace(this);
+  _$MixinBuilder toBuilder() => _$MixinBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -236,7 +226,6 @@
 
   @override
   void replace(Mixin other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$Mixin;
   }
 
@@ -253,7 +242,7 @@
     try {
       _$result =
           _$v ??
-          new _$Mixin._(
+          _$Mixin._(
             base: BuiltValueNullFieldError.checkNotNull(base, r'Mixin', 'base'),
             annotations: annotations.build(),
             docs: docs.build(),
@@ -281,11 +270,7 @@
         _$failedField = 'fields';
         fields.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
-          r'Mixin',
-          _$failedField,
-          e.toString(),
-        );
+        throw BuiltValueNestedFieldError(r'Mixin', _$failedField, e.toString());
       }
       rethrow;
     }
diff --git a/pkgs/code_builder/lib/src/specs/type_function.g.dart b/pkgs/code_builder/lib/src/specs/type_function.g.dart
index d817c40..96c4d3e 100644
--- a/pkgs/code_builder/lib/src/specs/type_function.g.dart
+++ b/pkgs/code_builder/lib/src/specs/type_function.g.dart
@@ -23,7 +23,7 @@
   final bool? isNullable;
 
   factory _$FunctionType([void Function(FunctionTypeBuilder)? updates]) =>
-      (new FunctionTypeBuilder()..update(updates)).build() as _$FunctionType;
+      (FunctionTypeBuilder()..update(updates)).build() as _$FunctionType;
 
   _$FunctionType._({
     this.returnType,
@@ -33,37 +33,13 @@
     required this.namedParameters,
     required this.namedRequiredParameters,
     this.isNullable,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(types, r'FunctionType', 'types');
-    BuiltValueNullFieldError.checkNotNull(
-      requiredParameters,
-      r'FunctionType',
-      'requiredParameters',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      optionalParameters,
-      r'FunctionType',
-      'optionalParameters',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      namedParameters,
-      r'FunctionType',
-      'namedParameters',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      namedRequiredParameters,
-      r'FunctionType',
-      'namedRequiredParameters',
-    );
-  }
-
+  }) : super._();
   @override
   FunctionType rebuild(void Function(FunctionTypeBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$FunctionTypeBuilder toBuilder() =>
-      new _$FunctionTypeBuilder()..replace(this);
+  _$FunctionTypeBuilder toBuilder() => _$FunctionTypeBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -214,7 +190,6 @@
 
   @override
   void replace(FunctionType other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$FunctionType;
   }
 
@@ -231,7 +206,7 @@
     try {
       _$result =
           _$v ??
-          new _$FunctionType._(
+          _$FunctionType._(
             returnType: returnType,
             types: types.build(),
             requiredParameters: requiredParameters.build(),
@@ -254,7 +229,7 @@
         _$failedField = 'namedRequiredParameters';
         namedRequiredParameters.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'FunctionType',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/type_record.g.dart b/pkgs/code_builder/lib/src/specs/type_record.g.dart
index b361086..848ad81 100644
--- a/pkgs/code_builder/lib/src/specs/type_record.g.dart
+++ b/pkgs/code_builder/lib/src/specs/type_record.g.dart
@@ -15,31 +15,19 @@
   final bool? isNullable;
 
   factory _$RecordType([void Function(RecordTypeBuilder)? updates]) =>
-      (new RecordTypeBuilder()..update(updates)).build() as _$RecordType;
+      (RecordTypeBuilder()..update(updates)).build() as _$RecordType;
 
   _$RecordType._({
     required this.positionalFieldTypes,
     required this.namedFieldTypes,
     this.isNullable,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(
-      positionalFieldTypes,
-      r'RecordType',
-      'positionalFieldTypes',
-    );
-    BuiltValueNullFieldError.checkNotNull(
-      namedFieldTypes,
-      r'RecordType',
-      'namedFieldTypes',
-    );
-  }
-
+  }) : super._();
   @override
   RecordType rebuild(void Function(RecordTypeBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$RecordTypeBuilder toBuilder() => new _$RecordTypeBuilder()..replace(this);
+  _$RecordTypeBuilder toBuilder() => _$RecordTypeBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -124,7 +112,6 @@
 
   @override
   void replace(RecordType other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$RecordType;
   }
 
@@ -141,7 +128,7 @@
     try {
       _$result =
           _$v ??
-          new _$RecordType._(
+          _$RecordType._(
             positionalFieldTypes: positionalFieldTypes.build(),
             namedFieldTypes: namedFieldTypes.build(),
             isNullable: isNullable,
@@ -154,7 +141,7 @@
         _$failedField = 'namedFieldTypes';
         namedFieldTypes.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'RecordType',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/type_reference.g.dart b/pkgs/code_builder/lib/src/specs/type_reference.g.dart
index d6b1677..11aadb9 100644
--- a/pkgs/code_builder/lib/src/specs/type_reference.g.dart
+++ b/pkgs/code_builder/lib/src/specs/type_reference.g.dart
@@ -19,7 +19,7 @@
   final bool? isNullable;
 
   factory _$TypeReference([void Function(TypeReferenceBuilder)? updates]) =>
-      (new TypeReferenceBuilder()..update(updates)).build() as _$TypeReference;
+      (TypeReferenceBuilder()..update(updates)).build() as _$TypeReference;
 
   _$TypeReference._({
     required this.symbol,
@@ -27,18 +27,13 @@
     this.bound,
     required this.types,
     this.isNullable,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(symbol, r'TypeReference', 'symbol');
-    BuiltValueNullFieldError.checkNotNull(types, r'TypeReference', 'types');
-  }
-
+  }) : super._();
   @override
   TypeReference rebuild(void Function(TypeReferenceBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$TypeReferenceBuilder toBuilder() =>
-      new _$TypeReferenceBuilder()..replace(this);
+  _$TypeReferenceBuilder toBuilder() => _$TypeReferenceBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -155,7 +150,6 @@
 
   @override
   void replace(TypeReference other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$TypeReference;
   }
 
@@ -172,7 +166,7 @@
     try {
       _$result =
           _$v ??
-          new _$TypeReference._(
+          _$TypeReference._(
             symbol: BuiltValueNullFieldError.checkNotNull(
               symbol,
               r'TypeReference',
@@ -189,7 +183,7 @@
         _$failedField = 'types';
         types.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'TypeReference',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/lib/src/specs/typedef.g.dart b/pkgs/code_builder/lib/src/specs/typedef.g.dart
index e1d1f55..92c5e1e 100644
--- a/pkgs/code_builder/lib/src/specs/typedef.g.dart
+++ b/pkgs/code_builder/lib/src/specs/typedef.g.dart
@@ -19,7 +19,7 @@
   final BuiltList<Reference> types;
 
   factory _$TypeDef([void Function(TypeDefBuilder)? updates]) =>
-      (new TypeDefBuilder()..update(updates)).build() as _$TypeDef;
+      (TypeDefBuilder()..update(updates)).build() as _$TypeDef;
 
   _$TypeDef._({
     required this.name,
@@ -27,24 +27,13 @@
     required this.annotations,
     required this.docs,
     required this.types,
-  }) : super._() {
-    BuiltValueNullFieldError.checkNotNull(name, r'TypeDef', 'name');
-    BuiltValueNullFieldError.checkNotNull(definition, r'TypeDef', 'definition');
-    BuiltValueNullFieldError.checkNotNull(
-      annotations,
-      r'TypeDef',
-      'annotations',
-    );
-    BuiltValueNullFieldError.checkNotNull(docs, r'TypeDef', 'docs');
-    BuiltValueNullFieldError.checkNotNull(types, r'TypeDef', 'types');
-  }
-
+  }) : super._();
   @override
   TypeDef rebuild(void Function(TypeDefBuilder) updates) =>
       (toBuilder()..update(updates)).build();
 
   @override
-  _$TypeDefBuilder toBuilder() => new _$TypeDefBuilder()..replace(this);
+  _$TypeDefBuilder toBuilder() => _$TypeDefBuilder()..replace(this);
 
   @override
   bool operator ==(Object other) {
@@ -161,7 +150,6 @@
 
   @override
   void replace(TypeDef other) {
-    ArgumentError.checkNotNull(other, 'other');
     _$v = other as _$TypeDef;
   }
 
@@ -178,7 +166,7 @@
     try {
       _$result =
           _$v ??
-          new _$TypeDef._(
+          _$TypeDef._(
             name: BuiltValueNullFieldError.checkNotNull(
               name,
               r'TypeDef',
@@ -203,7 +191,7 @@
         _$failedField = 'types';
         types.build();
       } catch (e) {
-        throw new BuiltValueNestedFieldError(
+        throw BuiltValueNestedFieldError(
           r'TypeDef',
           _$failedField,
           e.toString(),
diff --git a/pkgs/code_builder/pubspec.yaml b/pkgs/code_builder/pubspec.yaml
index 515b2e6..86fe4f5 100644
--- a/pkgs/code_builder/pubspec.yaml
+++ b/pkgs/code_builder/pubspec.yaml
@@ -15,10 +15,8 @@
   meta: ^1.16.0
 
 dev_dependencies:
-  build: ^4.0.0
   build_runner: ^2.7.2
   built_value_generator: ^8.11.2
   dart_flutter_team_lints: ^3.0.0
   dart_style: ^3.1.2
-  source_gen: ^4.0.1
   test: ^1.26.3