diff --git a/pkg/analysis_server/lib/protocol/protocol_constants.dart b/pkg/analysis_server/lib/protocol/protocol_constants.dart
index de5bc20..2d93ddb 100644
--- a/pkg/analysis_server/lib/protocol/protocol_constants.dart
+++ b/pkg/analysis_server/lib/protocol/protocol_constants.dart
@@ -218,6 +218,7 @@
 const String EDIT_REQUEST_ORGANIZE_DIRECTIVES_FILE = 'file';
 const String EDIT_REQUEST_SORT_MEMBERS = 'edit.sortMembers';
 const String EDIT_REQUEST_SORT_MEMBERS_FILE = 'file';
+const String EDIT_RESPONSE_DARTFIX_DETAILS = 'details';
 const String EDIT_RESPONSE_DARTFIX_EDITS = 'edits';
 const String EDIT_RESPONSE_DARTFIX_HAS_ERRORS = 'hasErrors';
 const String EDIT_RESPONSE_DARTFIX_OTHER_SUGGESTIONS = 'otherSuggestions';
diff --git a/pkg/analysis_server/lib/protocol/protocol_generated.dart b/pkg/analysis_server/lib/protocol/protocol_generated.dart
index b928fa4..603016e 100644
--- a/pkg/analysis_server/lib/protocol/protocol_generated.dart
+++ b/pkg/analysis_server/lib/protocol/protocol_generated.dart
@@ -8222,6 +8222,7 @@
  *   "otherSuggestions": List<DartFixSuggestion>
  *   "hasErrors": bool
  *   "edits": List<SourceFileEdit>
+ *   "details": optional List<String>
  * }
  *
  * Clients may not extend, implement or mix-in this class.
@@ -8235,6 +8236,8 @@
 
   List<SourceFileEdit> _edits;
 
+  List<String> _details;
+
   /**
    * A list of recommended changes that can be automatically made by applying
    * the 'edits' included in this response.
@@ -8291,15 +8294,37 @@
     this._edits = value;
   }
 
+  /**
+   * Messages that should be displayed to the user that describe details of the
+   * fix generation. This could be details that users might want to explore
+   * before committing the changes to descriptions of exceptions that were
+   * thrown but that did not stop the fixes from being produced. The list will
+   * be omitted if it is empty.
+   */
+  List<String> get details => _details;
+
+  /**
+   * Messages that should be displayed to the user that describe details of the
+   * fix generation. This could be details that users might want to explore
+   * before committing the changes to descriptions of exceptions that were
+   * thrown but that did not stop the fixes from being produced. The list will
+   * be omitted if it is empty.
+   */
+  void set details(List<String> value) {
+    this._details = value;
+  }
+
   EditDartfixResult(
       List<DartFixSuggestion> suggestions,
       List<DartFixSuggestion> otherSuggestions,
       bool hasErrors,
-      List<SourceFileEdit> edits) {
+      List<SourceFileEdit> edits,
+      {List<String> details}) {
     this.suggestions = suggestions;
     this.otherSuggestions = otherSuggestions;
     this.hasErrors = hasErrors;
     this.edits = edits;
+    this.details = details;
   }
 
   factory EditDartfixResult.fromJson(
@@ -8345,8 +8370,14 @@
       } else {
         throw jsonDecoder.mismatch(jsonPath, "edits");
       }
+      List<String> details;
+      if (json.containsKey("details")) {
+        details = jsonDecoder.decodeList(
+            jsonPath + ".details", json["details"], jsonDecoder.decodeString);
+      }
       return new EditDartfixResult(
-          suggestions, otherSuggestions, hasErrors, edits);
+          suggestions, otherSuggestions, hasErrors, edits,
+          details: details);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "edit.dartfix result", json);
     }
@@ -8370,6 +8401,9 @@
     result["hasErrors"] = hasErrors;
     result["edits"] =
         edits.map((SourceFileEdit value) => value.toJson()).toList();
+    if (details != null) {
+      result["details"] = details;
+    }
     return result;
   }
 
@@ -8390,7 +8424,8 @@
               (DartFixSuggestion a, DartFixSuggestion b) => a == b) &&
           hasErrors == other.hasErrors &&
           listEqual(edits, other.edits,
-              (SourceFileEdit a, SourceFileEdit b) => a == b);
+              (SourceFileEdit a, SourceFileEdit b) => a == b) &&
+          listEqual(details, other.details, (String a, String b) => a == b);
     }
     return false;
   }
@@ -8402,6 +8437,7 @@
     hash = JenkinsSmiHash.combine(hash, otherSuggestions.hashCode);
     hash = JenkinsSmiHash.combine(hash, hasErrors.hashCode);
     hash = JenkinsSmiHash.combine(hash, edits.hashCode);
+    hash = JenkinsSmiHash.combine(hash, details.hashCode);
     return JenkinsSmiHash.finish(hash);
   }
 }
diff --git a/pkg/analysis_server/test/integration/support/integration_test_methods.dart b/pkg/analysis_server/test/integration/support/integration_test_methods.dart
index 65c2ca5..d14ee38 100644
--- a/pkg/analysis_server/test/integration/support/integration_test_methods.dart
+++ b/pkg/analysis_server/test/integration/support/integration_test_methods.dart
@@ -1775,6 +1775,14 @@
    * edits: List<SourceFileEdit>
    *
    *   A list of source edits to apply the recommended changes.
+   *
+   * details: List<String> (optional)
+   *
+   *   Messages that should be displayed to the user that describe details of
+   *   the fix generation. This could be details that users might want to
+   *   explore before committing the changes to descriptions of exceptions that
+   *   were thrown but that did not stop the fixes from being produced. The
+   *   list will be omitted if it is empty.
    */
   Future<EditDartfixResult> sendEditDartfix(List<String> included,
       {List<String> includedFixes,
diff --git a/pkg/analysis_server/test/integration/support/protocol_matchers.dart b/pkg/analysis_server/test/integration/support/protocol_matchers.dart
index 5e03f54..2dc3198 100644
--- a/pkg/analysis_server/test/integration/support/protocol_matchers.dart
+++ b/pkg/analysis_server/test/integration/support/protocol_matchers.dart
@@ -2456,6 +2456,7 @@
  *   "otherSuggestions": List<DartFixSuggestion>
  *   "hasErrors": bool
  *   "edits": List<SourceFileEdit>
+ *   "details": optional List<String>
  * }
  */
 final Matcher isEditDartfixResult =
@@ -2464,6 +2465,8 @@
           "otherSuggestions": isListOf(isDartFixSuggestion),
           "hasErrors": isBool,
           "edits": isListOf(isSourceFileEdit)
+        }, optionalFields: {
+          "details": isListOf(isString)
         }));
 
 /**
diff --git a/pkg/analysis_server/tool/spec/spec_input.html b/pkg/analysis_server/tool/spec/spec_input.html
index f28b7b6..81ad119 100644
--- a/pkg/analysis_server/tool/spec/spec_input.html
+++ b/pkg/analysis_server/tool/spec/spec_input.html
@@ -2253,6 +2253,18 @@
           A list of source edits to apply the recommended changes.
         </p>
       </field>
+      <field name="details" optional="true">
+        <list>
+          <ref>String</ref>
+        </list>
+        <p>
+          Messages that should be displayed to the user that describe details of
+          the fix generation. This could be details that users might want to
+          explore before committing the changes to descriptions of exceptions
+          that were thrown but that did not stop the fixes from being produced.
+          The list will be omitted if it is empty.
+        </p>
+      </field>
     </result>
   </request>
   <request method="getFixes">
diff --git a/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart b/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart
index de5bc20..2d93ddb 100644
--- a/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart
+++ b/pkg/analysis_server_client/lib/src/protocol/protocol_constants.dart
@@ -218,6 +218,7 @@
 const String EDIT_REQUEST_ORGANIZE_DIRECTIVES_FILE = 'file';
 const String EDIT_REQUEST_SORT_MEMBERS = 'edit.sortMembers';
 const String EDIT_REQUEST_SORT_MEMBERS_FILE = 'file';
+const String EDIT_RESPONSE_DARTFIX_DETAILS = 'details';
 const String EDIT_RESPONSE_DARTFIX_EDITS = 'edits';
 const String EDIT_RESPONSE_DARTFIX_HAS_ERRORS = 'hasErrors';
 const String EDIT_RESPONSE_DARTFIX_OTHER_SUGGESTIONS = 'otherSuggestions';
diff --git a/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart b/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart
index 4365a8e..af0e154 100644
--- a/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart
+++ b/pkg/analysis_server_client/lib/src/protocol/protocol_generated.dart
@@ -8222,6 +8222,7 @@
  *   "otherSuggestions": List<DartFixSuggestion>
  *   "hasErrors": bool
  *   "edits": List<SourceFileEdit>
+ *   "details": optional List<String>
  * }
  *
  * Clients may not extend, implement or mix-in this class.
@@ -8235,6 +8236,8 @@
 
   List<SourceFileEdit> _edits;
 
+  List<String> _details;
+
   /**
    * A list of recommended changes that can be automatically made by applying
    * the 'edits' included in this response.
@@ -8291,15 +8294,37 @@
     this._edits = value;
   }
 
+  /**
+   * Messages that should be displayed to the user that describe details of the
+   * fix generation. This could be details that users might want to explore
+   * before committing the changes to descriptions of exceptions that were
+   * thrown but that did not stop the fixes from being produced. The list will
+   * be omitted if it is empty.
+   */
+  List<String> get details => _details;
+
+  /**
+   * Messages that should be displayed to the user that describe details of the
+   * fix generation. This could be details that users might want to explore
+   * before committing the changes to descriptions of exceptions that were
+   * thrown but that did not stop the fixes from being produced. The list will
+   * be omitted if it is empty.
+   */
+  void set details(List<String> value) {
+    this._details = value;
+  }
+
   EditDartfixResult(
       List<DartFixSuggestion> suggestions,
       List<DartFixSuggestion> otherSuggestions,
       bool hasErrors,
-      List<SourceFileEdit> edits) {
+      List<SourceFileEdit> edits,
+      {List<String> details}) {
     this.suggestions = suggestions;
     this.otherSuggestions = otherSuggestions;
     this.hasErrors = hasErrors;
     this.edits = edits;
+    this.details = details;
   }
 
   factory EditDartfixResult.fromJson(
@@ -8345,8 +8370,14 @@
       } else {
         throw jsonDecoder.mismatch(jsonPath, "edits");
       }
+      List<String> details;
+      if (json.containsKey("details")) {
+        details = jsonDecoder.decodeList(
+            jsonPath + ".details", json["details"], jsonDecoder.decodeString);
+      }
       return new EditDartfixResult(
-          suggestions, otherSuggestions, hasErrors, edits);
+          suggestions, otherSuggestions, hasErrors, edits,
+          details: details);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "edit.dartfix result", json);
     }
@@ -8370,6 +8401,9 @@
     result["hasErrors"] = hasErrors;
     result["edits"] =
         edits.map((SourceFileEdit value) => value.toJson()).toList();
+    if (details != null) {
+      result["details"] = details;
+    }
     return result;
   }
 
@@ -8390,7 +8424,8 @@
               (DartFixSuggestion a, DartFixSuggestion b) => a == b) &&
           hasErrors == other.hasErrors &&
           listEqual(edits, other.edits,
-              (SourceFileEdit a, SourceFileEdit b) => a == b);
+              (SourceFileEdit a, SourceFileEdit b) => a == b) &&
+          listEqual(details, other.details, (String a, String b) => a == b);
     }
     return false;
   }
@@ -8402,6 +8437,7 @@
     hash = JenkinsSmiHash.combine(hash, otherSuggestions.hashCode);
     hash = JenkinsSmiHash.combine(hash, hasErrors.hashCode);
     hash = JenkinsSmiHash.combine(hash, edits.hashCode);
+    hash = JenkinsSmiHash.combine(hash, details.hashCode);
     return JenkinsSmiHash.finish(hash);
   }
 }