diff --git a/pkg/analyzer/lib/src/summary2/default_value_resolver.dart b/pkg/analyzer/lib/src/summary2/default_value_resolver.dart
index a8398e4ebc647..1e49400ba0611 100644
--- a/pkg/analyzer/lib/src/summary2/default_value_resolver.dart
+++ b/pkg/analyzer/lib/src/summary2/default_value_resolver.dart
@@ -98,6 +98,11 @@ class DefaultValueResolver {
   }
 
   void _parameter(ParameterElementImpl parameter) {
+    // If a function typed parameter, process nested parameters.
+    for (var localParameter in parameter.parameters) {
+      _parameter(localParameter);
+    }
+
     var node = _defaultParameter(parameter);
     if (node == null) return;
 
diff --git a/pkg/analyzer/test/src/summary/element_text.dart b/pkg/analyzer/test/src/summary/element_text.dart
index 8703b9dcc2b03..b4af04033e77e 100644
--- a/pkg/analyzer/test/src/summary/element_text.dart
+++ b/pkg/analyzer/test/src/summary/element_text.dart
@@ -301,16 +301,17 @@ class _ElementWriter {
     var initializers = (e as ConstructorElementImpl).constantInitializers;
     if (withFullyResolvedAst) {
       buffer.writeln(';');
-      if (initializers != null && initializers.isNotEmpty) {
-        _withIndent(() {
+      _withIndent(() {
+        if (initializers != null && initializers.isNotEmpty) {
           _writelnWithIndent('constantInitializers');
           _withIndent(() {
             for (var initializer in initializers) {
               _writeResolvedNode(initializer);
             }
           });
-        });
-      }
+        }
+        _writeParameterElementDefaultValues(e.parameters);
+      });
     } else {
       if (initializers != null) {
         writeList(' : ', '', initializers, ', ', writeNode);
@@ -407,6 +408,12 @@ class _ElementWriter {
     writeBodyModifiers(e);
 
     buffer.writeln(' {}');
+
+    if (withFullyResolvedAst) {
+      _withIndent(() {
+        _writeParameterElementDefaultValues(e.parameters);
+      });
+    }
   }
 
   void writeIf(bool flag, String str) {
@@ -530,6 +537,7 @@ class _ElementWriter {
       _withIndent(() {
         _writeResolvedTypeParameters(e.typeParameters);
         _writeResolvedMetadata(e.metadata);
+        _writeParameterElementDefaultValues(e.parameters);
       });
     }
   }
@@ -828,15 +836,17 @@ class _ElementWriter {
     writeName(e);
     writeCodeRange(e);
 
-    if (e.parameters.isNotEmpty) {
-      buffer.write('/*');
-      writeList('(', ')', e.parameters, ', ', writeParameterElement);
-      buffer.write('*/');
-    }
+    if (!withFullyResolvedAst) {
+      if (e.parameters.isNotEmpty) {
+        buffer.write('/*');
+        writeList('(', ')', e.parameters, ', ', writeParameterElement);
+        buffer.write('*/');
+      }
 
-    if (defaultValue != null) {
-      buffer.write(defaultValueSeparator);
-      writeNode(defaultValue);
+      if (defaultValue != null) {
+        buffer.write(defaultValueSeparator);
+        writeNode(defaultValue);
+      }
     }
 
     buffer.write(closeString);
@@ -1194,6 +1204,30 @@ class _ElementWriter {
     buffer.writeln(line);
   }
 
+  void _writeParameterElementDefaultValues(
+    List<ParameterElement> parameters, {
+    String enclosingNames = '',
+  }) {
+    for (var parameter in parameters) {
+      if (parameter is DefaultParameterElementImpl) {
+        var defaultValue = parameter.constantInitializer;
+        if (defaultValue != null) {
+          _writelnWithIndent(enclosingNames + parameter.name);
+          _withIndent(() {
+            _writeResolvedNode(defaultValue);
+          });
+        }
+      }
+      var subParameters = parameter.parameters;
+      _withIndent(() {
+        _writeParameterElementDefaultValues(
+          subParameters,
+          enclosingNames: enclosingNames + parameter.name + '::',
+        );
+      });
+    }
+  }
+
   void _writeResolvedMetadata(List<ElementAnnotation> metadata) {
     if (metadata.isNotEmpty) {
       _writelnWithIndent('metadata');
diff --git a/pkg/analyzer/test/src/summary/resynthesize_common.dart b/pkg/analyzer/test/src/summary/resynthesize_common.dart
index ebb8c92dca4e9..3e5d249ba88e9 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_common.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_common.dart
@@ -4832,7 +4832,7 @@ class A {
         r'''
 class A {
   final int _f;
-  const A([int f = 0]);
+  const A([int f]);
     constantInitializers
       ConstructorFieldInitializer
         equals: =
@@ -4844,6 +4844,10 @@ class A {
           staticElement: self::@class::A::@field::_f
           staticType: null
           token: _f
+    f
+      IntegerLiteral
+        literal: 0
+        staticType: int
 }
 ''',
         withFullyResolvedAst: true);
@@ -5600,6 +5604,30 @@ class B {
 ''');
   }
 
+  test_defaultValue_inFunctionTypedFormalParameter() async {
+    var library = await checkLibrary('''
+void f( g({a: 0 is int}) ) {}
+''');
+    checkElementText(
+        library,
+        r'''
+void f(dynamic Function({dynamic a}) g) {}
+    g::a
+      IsExpression
+        expression: IntegerLiteral
+          literal: 0
+          staticType: int
+        staticType: bool
+        type: TypeName
+          name: SimpleIdentifier
+            staticElement: dart:core::@class::int
+            staticType: null
+            token: int
+          type: int
+''',
+        withFullyResolvedAst: true);
+  }
+
   test_defaultValue_refersToExtension_method_inside() async {
     var library = await checkLibrary('''
 class A {}