Elements. Remove V1 FunctionTypedElement.

Change-Id: I0a85aeb090d7184556e588ea23c7669b0063be91
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/423212
Reviewed-by: Brian Wilkerson <[email protected]>
Commit-Queue: Konstantin Shcheglov <[email protected]>

Author: scheglov

pkg/analyzer/api.txt

@@ -3143,11 +3143,6 @@ package:analyzer/dart/element/element.dart:
     new (constructor: ElementLocation Function())
     components (getter: List<String>)
     encoding (getter: String)
-  FunctionTypedElement (class extends Object implements TypeParameterizedElement, deprecated):
-    new (constructor: FunctionTypedElement Function())
-    parameters (getter: List<ParameterElement>)
-    returnType (getter: DartType)
-    type (getter: FunctionType)
   HideElementCombinator (class extends Object implements NamespaceCombinator):
     new (constructor: HideElementCombinator Function())
     hiddenNames (getter: List<String>)

pkg/analyzer/lib/dart/element/element.dart

@@ -798,23 +798,6 @@ abstract class ElementLocation {
   String get encoding;
 }
 
-/// An element that has a [FunctionType] as its [type].
-///
-/// This also provides convenient access to the parameters and return type.
-///
-/// Clients may not extend, implement or mix-in this class.
-@Deprecated('Use FunctionTypedElement2 instead')
-abstract class FunctionTypedElement implements TypeParameterizedElement {
-  /// The parameters defined by this executable element.
-  List<ParameterElement> get parameters;
-
-  /// The return type defined by this element.
-  DartType get returnType;
-
-  /// The type defined by this element.
-  FunctionType get type;
-}
-
 /// A combinator that causes some of the names in a namespace to be hidden when
 /// being imported.
 ///

pkg/analyzer/lib/src/dart/element/element.dart

@@ -5104,20 +5104,19 @@ sealed class FunctionElementImpl extends ExecutableElementImpl
 /// Common internal interface shared by elements whose type is a function type.
 ///
 /// Clients may not extend, implement or mix-in this class.
-abstract class FunctionTypedElementImpl
-    implements
-        _ExistingElementImpl,
-        // ignore:deprecated_member_use_from_same_package,analyzer_use_new_elements
-        FunctionTypedElement {
-  @override
+abstract class FunctionTypedElementImpl implements _ExistingElementImpl {
+  /// The parameters defined by this executable element.
   List<ParameterElementImpl> get parameters;
 
   set returnType(DartType returnType);
 
-  @override
+  /// The type defined by this element.
   FunctionTypeImpl get type;
 
-  @override
+  /// The type parameters declared by this element directly.
+  ///
+  /// This does not include type parameters that are declared by any enclosing
+  /// elements.
   List<TypeParameterElementImpl> get typeParameters;
 }
 
@@ -5210,7 +5209,7 @@ class GenericFunctionTypeElementImpl extends _ExistingElementImpl
   @override
   GenericFunctionTypeElementImpl? get previousFragment => null;
 
-  @override
+  /// The return type defined by this element.
   TypeImpl get returnType {
     return _returnType!;
   }