Fix the way generated code is made strong mode clean

pkg/analysis_server/lib/plugin/protocol/generated_protocol.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/tool/spec/generate_files".
 
 part of analysis_server.plugin.protocol.protocol;
 
@@ skipping 176 matching lines @@
     this.subscriptions = subscriptions;
   }
 
   factory ServerSetSubscriptionsParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<ServerService> subscriptions;
       if (json.containsKey("subscriptions")) {
-        subscriptions = jsonDecoder.decodeList(jsonPath + ".subscriptions", json["subscriptions"], (String jsonPath, Object json) => new ServerService.fromJson(jsonDecoder, jsonPath, json)) as List<ServerService>;
+        subscriptions = jsonDecoder.decodeList(jsonPath + ".subscriptions", json["subscriptions"], (String jsonPath, Object json) => new ServerService.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "subscriptions");
       }
       return new ServerSetSubscriptionsParams(subscriptions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "server.setSubscriptions params", json);
     }
   }
 
   factory ServerSetSubscriptionsParams.fromRequest(Request request) {
@@ skipping 486 matching lines @@
     this.errors = errors;
   }
 
   factory AnalysisGetErrorsResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<AnalysisError> errors;
       if (json.containsKey("errors")) {
-        errors = jsonDecoder.decodeList(jsonPath + ".errors", json["errors"], (String jsonPath, Object json) => new AnalysisError.fromJson(jsonDecoder, jsonPath, json)) as List<AnalysisError>;
+        errors = jsonDecoder.decodeList(jsonPath + ".errors", json["errors"], (String jsonPath, Object json) => new AnalysisError.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "errors");
       }
       return new AnalysisGetErrorsResult(errors);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.getErrors result", json);
     }
   }
 
   factory AnalysisGetErrorsResult.fromResponse(Response response) {
@@ skipping 173 matching lines @@
     this.hovers = hovers;
   }
 
   factory AnalysisGetHoverResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<HoverInformation> hovers;
       if (json.containsKey("hovers")) {
-        hovers = jsonDecoder.decodeList(jsonPath + ".hovers", json["hovers"], (String jsonPath, Object json) => new HoverInformation.fromJson(jsonDecoder, jsonPath, json)) as List<HoverInformation>;
+        hovers = jsonDecoder.decodeList(jsonPath + ".hovers", json["hovers"], (String jsonPath, Object json) => new HoverInformation.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "hovers");
       }
       return new AnalysisGetHoverResult(hovers);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.getHover result", json);
     }
   }
 
   factory AnalysisGetHoverResult.fromResponse(Response response) {
@@ skipping 149 matching lines @@
     this.sources = sources;
   }
 
   factory AnalysisGetReachableSourcesResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       Map<String, List<String>> sources;
       if (json.containsKey("sources")) {
-        sources = jsonDecoder.decodeMap(jsonPath + ".sources", json["sources"], valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeList(jsonPath, json, jsonDecoder.decodeString) as List<String>) as Map<String, List<String>>;
+        sources = jsonDecoder.decodeMap(jsonPath + ".sources", json["sources"], valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeList(jsonPath, json, jsonDecoder.decodeString));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "sources");
       }
       return new AnalysisGetReachableSourcesResult(sources);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.getReachableSources result", json);
     }
   }
 
   factory AnalysisGetReachableSourcesResult.fromResponse(Response response) {
@@ skipping 103 matching lines @@
     this.packageMap = packageMap;
   }
 
   factory AnalysisGetLibraryDependenciesResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<String> libraries;
       if (json.containsKey("libraries")) {
-        libraries = jsonDecoder.decodeList(jsonPath + ".libraries", json["libraries"], jsonDecoder.decodeString) as List<String>;
+        libraries = jsonDecoder.decodeList(jsonPath + ".libraries", json["libraries"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "libraries");
       }
       Map<String, Map<String, List<String>>> packageMap;
       if (json.containsKey("packageMap")) {
-        packageMap = jsonDecoder.decodeMap(jsonPath + ".packageMap", json["packageMap"], valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeMap(jsonPath, json, valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeList(jsonPath, json, jsonDecoder.decodeString) as List<String>) as Map<String, List<String>>) as Map<String, Map<String, List<String>>>;
+        packageMap = jsonDecoder.decodeMap(jsonPath + ".packageMap", json["packageMap"], valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeMap(jsonPath, json, valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeList(jsonPath, json, jsonDecoder.decodeString)));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "packageMap");
       }
       return new AnalysisGetLibraryDependenciesResult(libraries, packageMap);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.getLibraryDependencies result", json);
     }
   }
 
   factory AnalysisGetLibraryDependenciesResult.fromResponse(Response response) {
@@ skipping 236 matching lines @@
     this.regions = regions;
   }
 
   factory AnalysisGetNavigationResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<String> files;
       if (json.containsKey("files")) {
-        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString) as List<String>;
+        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "files");
       }
       List<NavigationTarget> targets;
       if (json.containsKey("targets")) {
-        targets = jsonDecoder.decodeList(jsonPath + ".targets", json["targets"], (String jsonPath, Object json) => new NavigationTarget.fromJson(jsonDecoder, jsonPath, json)) as List<NavigationTarget>;
+        targets = jsonDecoder.decodeList(jsonPath + ".targets", json["targets"], (String jsonPath, Object json) => new NavigationTarget.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "targets");
       }
       List<NavigationRegion> regions;
       if (json.containsKey("regions")) {
-        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new NavigationRegion.fromJson(jsonDecoder, jsonPath, json)) as List<NavigationRegion>;
+        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new NavigationRegion.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "regions");
       }
       return new AnalysisGetNavigationResult(files, targets, regions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.getNavigation result", json);
     }
   }
 
   factory AnalysisGetNavigationResult.fromResponse(Response response) {
@@ skipping 64 matching lines @@
     this.roots = roots;
   }
 
   factory AnalysisReanalyzeParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<String> roots;
       if (json.containsKey("roots")) {
-        roots = jsonDecoder.decodeList(jsonPath + ".roots", json["roots"], jsonDecoder.decodeString) as List<String>;
+        roots = jsonDecoder.decodeList(jsonPath + ".roots", json["roots"], jsonDecoder.decodeString);
       }
       return new AnalysisReanalyzeParams(roots: roots);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.reanalyze params", json);
     }
   }
 
   factory AnalysisReanalyzeParams.fromRequest(Request request) {
     return new AnalysisReanalyzeParams.fromJson(
         new RequestDecoder(request), "params", request._params);
@@ skipping 153 matching lines @@
     this.packageRoots = packageRoots;
   }
 
   factory AnalysisSetAnalysisRootsParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<String> included;
       if (json.containsKey("included")) {
-        included = jsonDecoder.decodeList(jsonPath + ".included", json["included"], jsonDecoder.decodeString) as List<String>;
+        included = jsonDecoder.decodeList(jsonPath + ".included", json["included"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "included");
       }
       List<String> excluded;
       if (json.containsKey("excluded")) {
-        excluded = jsonDecoder.decodeList(jsonPath + ".excluded", json["excluded"], jsonDecoder.decodeString) as List<String>;
+        excluded = jsonDecoder.decodeList(jsonPath + ".excluded", json["excluded"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "excluded");
       }
       Map<String, String> packageRoots;
       if (json.containsKey("packageRoots")) {
-        packageRoots = jsonDecoder.decodeMap(jsonPath + ".packageRoots", json["packageRoots"], valueDecoder: jsonDecoder.decodeString) as Map<String, String>;
+        packageRoots = jsonDecoder.decodeMap(jsonPath + ".packageRoots", json["packageRoots"], valueDecoder: jsonDecoder.decodeString);
       }
       return new AnalysisSetAnalysisRootsParams(included, excluded, packageRoots: packageRoots);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.setAnalysisRoots params", json);
     }
   }
 
   factory AnalysisSetAnalysisRootsParams.fromRequest(Request request) {
     return new AnalysisSetAnalysisRootsParams.fromJson(
         new RequestDecoder(request), "params", request._params);
@@ skipping 88 matching lines @@
     this.subscriptions = subscriptions;
   }
 
   factory AnalysisSetGeneralSubscriptionsParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<GeneralAnalysisService> subscriptions;
       if (json.containsKey("subscriptions")) {
-        subscriptions = jsonDecoder.decodeList(jsonPath + ".subscriptions", json["subscriptions"], (String jsonPath, Object json) => new GeneralAnalysisService.fromJson(jsonDecoder, jsonPath, json)) as List<GeneralAnalysisService>;
+        subscriptions = jsonDecoder.decodeList(jsonPath + ".subscriptions", json["subscriptions"], (String jsonPath, Object json) => new GeneralAnalysisService.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "subscriptions");
       }
       return new AnalysisSetGeneralSubscriptionsParams(subscriptions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.setGeneralSubscriptions params", json);
     }
   }
 
   factory AnalysisSetGeneralSubscriptionsParams.fromRequest(Request request) {
@@ skipping 82 matching lines @@
     this.files = files;
   }
 
   factory AnalysisSetPriorityFilesParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<String> files;
       if (json.containsKey("files")) {
-        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString) as List<String>;
+        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "files");
       }
       return new AnalysisSetPriorityFilesParams(files);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.setPriorityFiles params", json);
     }
   }
 
   factory AnalysisSetPriorityFilesParams.fromRequest(Request request) {
@@ skipping 84 matching lines @@
     this.subscriptions = subscriptions;
   }
 
   factory AnalysisSetSubscriptionsParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       Map<AnalysisService, List<String>> subscriptions;
       if (json.containsKey("subscriptions")) {
-        subscriptions = jsonDecoder.decodeMap(jsonPath + ".subscriptions", json["subscriptions"], keyDecoder: (String jsonPath, Object json) => new AnalysisService.fromJson(jsonDecoder, jsonPath, json), valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeList(jsonPath, json, jsonDecoder.decodeString) as List<String>) as Map<AnalysisService, List<String>>;
+        subscriptions = jsonDecoder.decodeMap(jsonPath + ".subscriptions", json["subscriptions"], keyDecoder: (String jsonPath, Object json) => new AnalysisService.fromJson(jsonDecoder, jsonPath, json), valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeList(jsonPath, json, jsonDecoder.decodeString));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "subscriptions");
       }
       return new AnalysisSetSubscriptionsParams(subscriptions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.setSubscriptions params", json);
     }
   }
 
   factory AnalysisSetSubscriptionsParams.fromRequest(Request request) {
@@ skipping 84 matching lines @@
     this.files = files;
   }
 
   factory AnalysisUpdateContentParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       Map<String, dynamic> files;
       if (json.containsKey("files")) {
-        files = jsonDecoder.decodeMap(jsonPath + ".files", json["files"], valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeUnion(jsonPath, json, "type", {"add": (String jsonPath, Object json) => new AddContentOverlay.fromJson(jsonDecoder, jsonPath, json), "change": (String jsonPath, Object json) => new ChangeContentOverlay.fromJson(jsonDecoder, jsonPath, json), "remove": (String jsonPath, Object json) => new RemoveContentOverlay.fromJson(jsonDecoder, jsonPath, json)})) as Map<String, dynamic>;
+        files = jsonDecoder.decodeMap(jsonPath + ".files", json["files"], valueDecoder: (String jsonPath, Object json) => jsonDecoder.decodeUnion(jsonPath, json, "type", {"add": (String jsonPath, Object json) => new AddContentOverlay.fromJson(jsonDecoder, jsonPath, json), "change": (String jsonPath, Object json) => new ChangeContentOverlay.fromJson(jsonDecoder, jsonPath, json), "remove": (String jsonPath, Object json) => new RemoveContentOverlay.fromJson(jsonDecoder, jsonPath, json)}));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "files");
       }
       return new AnalysisUpdateContentParams(files);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.updateContent params", json);
     }
   }
 
   factory AnalysisUpdateContentParams.fromRequest(Request request) {
@@ skipping 216 matching lines @@
     this.directories = directories;
   }
 
   factory AnalysisAnalyzedFilesParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<String> directories;
       if (json.containsKey("directories")) {
-        directories = jsonDecoder.decodeList(jsonPath + ".directories", json["directories"], jsonDecoder.decodeString) as List<String>;
+        directories = jsonDecoder.decodeList(jsonPath + ".directories", json["directories"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "directories");
       }
       return new AnalysisAnalyzedFilesParams(directories);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.analyzedFiles params", json);
     }
   }
 
   factory AnalysisAnalyzedFilesParams.fromNotification(Notification notification) {
@@ skipping 82 matching lines @@
     }
     if (json is Map) {
       String file;
       if (json.containsKey("file")) {
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       List<AnalysisError> errors;
       if (json.containsKey("errors")) {
-        errors = jsonDecoder.decodeList(jsonPath + ".errors", json["errors"], (String jsonPath, Object json) => new AnalysisError.fromJson(jsonDecoder, jsonPath, json)) as List<AnalysisError>;
+        errors = jsonDecoder.decodeList(jsonPath + ".errors", json["errors"], (String jsonPath, Object json) => new AnalysisError.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "errors");
       }
       return new AnalysisErrorsParams(file, errors);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.errors params", json);
     }
   }
 
   factory AnalysisErrorsParams.fromNotification(Notification notification) {
@@ skipping 62 matching lines @@
     this.files = files;
   }
 
   factory AnalysisFlushResultsParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<String> files;
       if (json.containsKey("files")) {
-        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString) as List<String>;
+        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "files");
       }
       return new AnalysisFlushResultsParams(files);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.flushResults params", json);
     }
   }
 
   factory AnalysisFlushResultsParams.fromNotification(Notification notification) {
@@ skipping 82 matching lines @@
     }
     if (json is Map) {
       String file;
       if (json.containsKey("file")) {
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       List<FoldingRegion> regions;
       if (json.containsKey("regions")) {
-        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new FoldingRegion.fromJson(jsonDecoder, jsonPath, json)) as List<FoldingRegion>;
+        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new FoldingRegion.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "regions");
       }
       return new AnalysisFoldingParams(file, regions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.folding params", json);
     }
   }
 
   factory AnalysisFoldingParams.fromNotification(Notification notification) {
@@ skipping 93 matching lines @@
     }
     if (json is Map) {
       String file;
       if (json.containsKey("file")) {
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       List<HighlightRegion> regions;
       if (json.containsKey("regions")) {
-        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new HighlightRegion.fromJson(jsonDecoder, jsonPath, json)) as List<HighlightRegion>;
+        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new HighlightRegion.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "regions");
       }
       return new AnalysisHighlightsParams(file, regions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.highlights params", json);
     }
   }
 
   factory AnalysisHighlightsParams.fromNotification(Notification notification) {
@@ skipping 102 matching lines @@
     }
     if (json is Map) {
       String file;
       if (json.containsKey("file")) {
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       List<ImplementedClass> classes;
       if (json.containsKey("classes")) {
-        classes = jsonDecoder.decodeList(jsonPath + ".classes", json["classes"], (String jsonPath, Object json) => new ImplementedClass.fromJson(jsonDecoder, jsonPath, json)) as List<ImplementedClass>;
+        classes = jsonDecoder.decodeList(jsonPath + ".classes", json["classes"], (String jsonPath, Object json) => new ImplementedClass.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "classes");
       }
       List<ImplementedMember> members;
       if (json.containsKey("members")) {
-        members = jsonDecoder.decodeList(jsonPath + ".members", json["members"], (String jsonPath, Object json) => new ImplementedMember.fromJson(jsonDecoder, jsonPath, json)) as List<ImplementedMember>;
+        members = jsonDecoder.decodeList(jsonPath + ".members", json["members"], (String jsonPath, Object json) => new ImplementedMember.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "members");
       }
       return new AnalysisImplementedParams(file, classes, members);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.implemented params", json);
     }
   }
 
   factory AnalysisImplementedParams.fromNotification(Notification notification) {
@@ skipping 300 matching lines @@
     }
     if (json is Map) {
       String file;
       if (json.containsKey("file")) {
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       List<NavigationRegion> regions;
       if (json.containsKey("regions")) {
-        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new NavigationRegion.fromJson(jsonDecoder, jsonPath, json)) as List<NavigationRegion>;
+        regions = jsonDecoder.decodeList(jsonPath + ".regions", json["regions"], (String jsonPath, Object json) => new NavigationRegion.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "regions");
       }
       List<NavigationTarget> targets;
       if (json.containsKey("targets")) {
-        targets = jsonDecoder.decodeList(jsonPath + ".targets", json["targets"], (String jsonPath, Object json) => new NavigationTarget.fromJson(jsonDecoder, jsonPath, json)) as List<NavigationTarget>;
+        targets = jsonDecoder.decodeList(jsonPath + ".targets", json["targets"], (String jsonPath, Object json) => new NavigationTarget.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "targets");
       }
       List<String> files;
       if (json.containsKey("files")) {
-        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString) as List<String>;
+        files = jsonDecoder.decodeList(jsonPath + ".files", json["files"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "files");
       }
       return new AnalysisNavigationParams(file, regions, targets, files);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.navigation params", json);
     }
   }
 
   factory AnalysisNavigationParams.fromNotification(Notification notification) {
@@ skipping 91 matching lines @@
     }
     if (json is Map) {
       String file;
       if (json.containsKey("file")) {
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       List<Occurrences> occurrences;
       if (json.containsKey("occurrences")) {
-        occurrences = jsonDecoder.decodeList(jsonPath + ".occurrences", json["occurrences"], (String jsonPath, Object json) => new Occurrences.fromJson(jsonDecoder, jsonPath, json)) as List<Occurrences>;
+        occurrences = jsonDecoder.decodeList(jsonPath + ".occurrences", json["occurrences"], (String jsonPath, Object json) => new Occurrences.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "occurrences");
       }
       return new AnalysisOccurrencesParams(file, occurrences);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.occurrences params", json);
     }
   }
 
   factory AnalysisOccurrencesParams.fromNotification(Notification notification) {
@@ skipping 250 matching lines @@
     }
     if (json is Map) {
       String file;
       if (json.containsKey("file")) {
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       List<Override> overrides;
       if (json.containsKey("overrides")) {
-        overrides = jsonDecoder.decodeList(jsonPath + ".overrides", json["overrides"], (String jsonPath, Object json) => new Override.fromJson(jsonDecoder, jsonPath, json)) as List<Override>;
+        overrides = jsonDecoder.decodeList(jsonPath + ".overrides", json["overrides"], (String jsonPath, Object json) => new Override.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "overrides");
       }
       return new AnalysisOverridesParams(file, overrides);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "analysis.overrides params", json);
     }
   }
 
   factory AnalysisOverridesParams.fromNotification(Notification notification) {
@@ skipping 354 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "replacementOffset");
       }
       int replacementLength;
       if (json.containsKey("replacementLength")) {
         replacementLength = jsonDecoder.decodeInt(jsonPath + ".replacementLength", json["replacementLength"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "replacementLength");
       }
       List<CompletionSuggestion> results;
       if (json.containsKey("results")) {
-        results = jsonDecoder.decodeList(jsonPath + ".results", json["results"], (String jsonPath, Object json) => new CompletionSuggestion.fromJson(jsonDecoder, jsonPath, json)) as List<CompletionSuggestion>;
+        results = jsonDecoder.decodeList(jsonPath + ".results", json["results"], (String jsonPath, Object json) => new CompletionSuggestion.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "results");
       }
       bool isLast;
       if (json.containsKey("isLast")) {
         isLast = jsonDecoder.decodeBool(jsonPath + ".isLast", json["isLast"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "isLast");
       }
       return new CompletionResultsParams(id, replacementOffset, replacementLength, results, isLast);
@@ skipping 961 matching lines @@
     this.hierarchyItems = hierarchyItems;
   }
 
   factory SearchGetTypeHierarchyResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<TypeHierarchyItem> hierarchyItems;
       if (json.containsKey("hierarchyItems")) {
-        hierarchyItems = jsonDecoder.decodeList(jsonPath + ".hierarchyItems", json["hierarchyItems"], (String jsonPath, Object json) => new TypeHierarchyItem.fromJson(jsonDecoder, jsonPath, json)) as List<TypeHierarchyItem>;
+        hierarchyItems = jsonDecoder.decodeList(jsonPath + ".hierarchyItems", json["hierarchyItems"], (String jsonPath, Object json) => new TypeHierarchyItem.fromJson(jsonDecoder, jsonPath, json));
       }
       return new SearchGetTypeHierarchyResult(hierarchyItems: hierarchyItems);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "search.getTypeHierarchy result", json);
     }
   }
 
   factory SearchGetTypeHierarchyResult.fromResponse(Response response) {
     return new SearchGetTypeHierarchyResult.fromJson(
         new ResponseDecoder(REQUEST_ID_REFACTORING_KINDS.remove(response.id)), "result", response._result);
@@ skipping 101 matching lines @@
     }
     if (json is Map) {
       String id;
       if (json.containsKey("id")) {
         id = jsonDecoder.decodeString(jsonPath + ".id", json["id"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "id");
       }
       List<SearchResult> results;
       if (json.containsKey("results")) {
-        results = jsonDecoder.decodeList(jsonPath + ".results", json["results"], (String jsonPath, Object json) => new SearchResult.fromJson(jsonDecoder, jsonPath, json)) as List<SearchResult>;
+        results = jsonDecoder.decodeList(jsonPath + ".results", json["results"], (String jsonPath, Object json) => new SearchResult.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "results");
       }
       bool isLast;
       if (json.containsKey("isLast")) {
         isLast = jsonDecoder.decodeBool(jsonPath + ".isLast", json["isLast"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "isLast");
       }
       return new SearchResultsParams(id, results, isLast);
@@ skipping 264 matching lines @@
     this.selectionLength = selectionLength;
   }
 
   factory EditFormatResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<SourceEdit> edits;
       if (json.containsKey("edits")) {
-        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceEdit.fromJson(jsonDecoder, jsonPath, json)) as List<SourceEdit>;
+        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceEdit.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "edits");
       }
       int selectionOffset;
       if (json.containsKey("selectionOffset")) {
         selectionOffset = jsonDecoder.decodeInt(jsonPath + ".selectionOffset", json["selectionOffset"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "selectionOffset");
       }
       int selectionLength;
@@ skipping 209 matching lines @@
     this.assists = assists;
   }
 
   factory EditGetAssistsResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<SourceChange> assists;
       if (json.containsKey("assists")) {
-        assists = jsonDecoder.decodeList(jsonPath + ".assists", json["assists"], (String jsonPath, Object json) => new SourceChange.fromJson(jsonDecoder, jsonPath, json)) as List<SourceChange>;
+        assists = jsonDecoder.decodeList(jsonPath + ".assists", json["assists"], (String jsonPath, Object json) => new SourceChange.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "assists");
       }
       return new EditGetAssistsResult(assists);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "edit.getAssists result", json);
     }
   }
 
   factory EditGetAssistsResult.fromResponse(Response response) {
@@ skipping 191 matching lines @@
     this.kinds = kinds;
   }
 
   factory EditGetAvailableRefactoringsResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<RefactoringKind> kinds;
       if (json.containsKey("kinds")) {
-        kinds = jsonDecoder.decodeList(jsonPath + ".kinds", json["kinds"], (String jsonPath, Object json) => new RefactoringKind.fromJson(jsonDecoder, jsonPath, json)) as List<RefactoringKind>;
+        kinds = jsonDecoder.decodeList(jsonPath + ".kinds", json["kinds"], (String jsonPath, Object json) => new RefactoringKind.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "kinds");
       }
       return new EditGetAvailableRefactoringsResult(kinds);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "edit.getAvailableRefactorings result", json);
     }
   }
 
   factory EditGetAvailableRefactoringsResult.fromResponse(Response response) {
@@ skipping 165 matching lines @@
     this.fixes = fixes;
   }
 
   factory EditGetFixesResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<AnalysisErrorFixes> fixes;
       if (json.containsKey("fixes")) {
-        fixes = jsonDecoder.decodeList(jsonPath + ".fixes", json["fixes"], (String jsonPath, Object json) => new AnalysisErrorFixes.fromJson(jsonDecoder, jsonPath, json)) as List<AnalysisErrorFixes>;
+        fixes = jsonDecoder.decodeList(jsonPath + ".fixes", json["fixes"], (String jsonPath, Object json) => new AnalysisErrorFixes.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "fixes");
       }
       return new EditGetFixesResult(fixes);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "edit.getFixes result", json);
     }
   }
 
   factory EditGetFixesResult.fromResponse(Response response) {
@@ skipping 396 matching lines @@
     this.potentialEdits = potentialEdits;
   }
 
   factory EditGetRefactoringResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<RefactoringProblem> initialProblems;
       if (json.containsKey("initialProblems")) {
-        initialProblems = jsonDecoder.decodeList(jsonPath + ".initialProblems", json["initialProblems"], (String jsonPath, Object json) => new RefactoringProblem.fromJson(jsonDecoder, jsonPath, json)) as List<RefactoringProblem>;
+        initialProblems = jsonDecoder.decodeList(jsonPath + ".initialProblems", json["initialProblems"], (String jsonPath, Object json) => new RefactoringProblem.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "initialProblems");
       }
       List<RefactoringProblem> optionsProblems;
       if (json.containsKey("optionsProblems")) {
-        optionsProblems = jsonDecoder.decodeList(jsonPath + ".optionsProblems", json["optionsProblems"], (String jsonPath, Object json) => new RefactoringProblem.fromJson(jsonDecoder, jsonPath, json)) as List<RefactoringProblem>;
+        optionsProblems = jsonDecoder.decodeList(jsonPath + ".optionsProblems", json["optionsProblems"], (String jsonPath, Object json) => new RefactoringProblem.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "optionsProblems");
       }
       List<RefactoringProblem> finalProblems;
       if (json.containsKey("finalProblems")) {
-        finalProblems = jsonDecoder.decodeList(jsonPath + ".finalProblems", json["finalProblems"], (String jsonPath, Object json) => new RefactoringProblem.fromJson(jsonDecoder, jsonPath, json)) as List<RefactoringProblem>;
+        finalProblems = jsonDecoder.decodeList(jsonPath + ".finalProblems", json["finalProblems"], (String jsonPath, Object json) => new RefactoringProblem.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "finalProblems");
       }
       RefactoringFeedback feedback;
       if (json.containsKey("feedback")) {
         feedback = new RefactoringFeedback.fromJson(jsonDecoder, jsonPath + ".feedback", json["feedback"], json);
       }
       SourceChange change;
       if (json.containsKey("change")) {
         change = new SourceChange.fromJson(jsonDecoder, jsonPath + ".change", json["change"]);
       }
       List<String> potentialEdits;
       if (json.containsKey("potentialEdits")) {
-        potentialEdits = jsonDecoder.decodeList(jsonPath + ".potentialEdits", json["potentialEdits"], jsonDecoder.decodeString) as List<String>;
+        potentialEdits = jsonDecoder.decodeList(jsonPath + ".potentialEdits", json["potentialEdits"], jsonDecoder.decodeString);
       }
       return new EditGetRefactoringResult(initialProblems, optionsProblems, finalProblems, feedback: feedback, change: change, potentialEdits: potentialEdits);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "edit.getRefactoring result", json);
     }
   }
 
   factory EditGetRefactoringResult.fromResponse(Response response) {
     return new EditGetRefactoringResult.fromJson(
         new ResponseDecoder(REQUEST_ID_REFACTORING_KINDS.remove(response.id)), "result", response._result);
@@ skipping 905 matching lines @@
     this.subscriptions = subscriptions;
   }
 
   factory ExecutionSetSubscriptionsParams.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<ExecutionService> subscriptions;
       if (json.containsKey("subscriptions")) {
-        subscriptions = jsonDecoder.decodeList(jsonPath + ".subscriptions", json["subscriptions"], (String jsonPath, Object json) => new ExecutionService.fromJson(jsonDecoder, jsonPath, json)) as List<ExecutionService>;
+        subscriptions = jsonDecoder.decodeList(jsonPath + ".subscriptions", json["subscriptions"], (String jsonPath, Object json) => new ExecutionService.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "subscriptions");
       }
       return new ExecutionSetSubscriptionsParams(subscriptions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "execution.setSubscriptions params", json);
     }
   }
 
   factory ExecutionSetSubscriptionsParams.fromRequest(Request request) {
@@ skipping 130 matching lines @@
         file = jsonDecoder.decodeString(jsonPath + ".file", json["file"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       ExecutableKind kind;
       if (json.containsKey("kind")) {
         kind = new ExecutableKind.fromJson(jsonDecoder, jsonPath + ".kind", json["kind"]);
       }
       List<String> referencedFiles;
       if (json.containsKey("referencedFiles")) {
-        referencedFiles = jsonDecoder.decodeList(jsonPath + ".referencedFiles", json["referencedFiles"], jsonDecoder.decodeString) as List<String>;
+        referencedFiles = jsonDecoder.decodeList(jsonPath + ".referencedFiles", json["referencedFiles"], jsonDecoder.decodeString);
       }
       return new ExecutionLaunchDataParams(file, kind: kind, referencedFiles: referencedFiles);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "execution.launchData params", json);
     }
   }
 
   factory ExecutionLaunchDataParams.fromNotification(Notification notification) {
     return new ExecutionLaunchDataParams.fromJson(
         new ResponseDecoder(null), "params", notification._params);
@@ skipping 90 matching lines @@
     this.contexts = contexts;
   }
 
   factory DiagnosticGetDiagnosticsResult.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<ContextData> contexts;
       if (json.containsKey("contexts")) {
-        contexts = jsonDecoder.decodeList(jsonPath + ".contexts", json["contexts"], (String jsonPath, Object json) => new ContextData.fromJson(jsonDecoder, jsonPath, json)) as List<ContextData>;
+        contexts = jsonDecoder.decodeList(jsonPath + ".contexts", json["contexts"], (String jsonPath, Object json) => new ContextData.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "contexts");
       }
       return new DiagnosticGetDiagnosticsResult(contexts);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "diagnostic.getDiagnostics result", json);
     }
   }
 
   factory DiagnosticGetDiagnosticsResult.fromResponse(Response response) {
@@ skipping 408 matching lines @@
     }
     if (json is Map) {
       AnalysisError error;
       if (json.containsKey("error")) {
         error = new AnalysisError.fromJson(jsonDecoder, jsonPath + ".error", json["error"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "error");
       }
       List<SourceChange> fixes;
       if (json.containsKey("fixes")) {
-        fixes = jsonDecoder.decodeList(jsonPath + ".fixes", json["fixes"], (String jsonPath, Object json) => new SourceChange.fromJson(jsonDecoder, jsonPath, json)) as List<SourceChange>;
+        fixes = jsonDecoder.decodeList(jsonPath + ".fixes", json["fixes"], (String jsonPath, Object json) => new SourceChange.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "fixes");
       }
       return new AnalysisErrorFixes(error, fixes: fixes);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "AnalysisErrorFixes", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 650 matching lines @@
   factory ChangeContentOverlay.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       if (json["type"] != "change") {
         throw jsonDecoder.mismatch(jsonPath, "equal " + "change", json);
       }
       List<SourceEdit> edits;
       if (json.containsKey("edits")) {
-        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceEdit.fromJson(jsonDecoder, jsonPath, json)) as List<SourceEdit>;
+        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceEdit.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "edits");
       }
       return new ChangeContentOverlay(edits);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "ChangeContentOverlay", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 450 matching lines @@
       Element element;
       if (json.containsKey("element")) {
         element = new Element.fromJson(jsonDecoder, jsonPath + ".element", json["element"]);
       }
       String returnType;
       if (json.containsKey("returnType")) {
         returnType = jsonDecoder.decodeString(jsonPath + ".returnType", json["returnType"]);
       }
       List<String> parameterNames;
       if (json.containsKey("parameterNames")) {
-        parameterNames = jsonDecoder.decodeList(jsonPath + ".parameterNames", json["parameterNames"], jsonDecoder.decodeString) as List<String>;
+        parameterNames = jsonDecoder.decodeList(jsonPath + ".parameterNames", json["parameterNames"], jsonDecoder.decodeString);
       }
       List<String> parameterTypes;
       if (json.containsKey("parameterTypes")) {
-        parameterTypes = jsonDecoder.decodeList(jsonPath + ".parameterTypes", json["parameterTypes"], jsonDecoder.decodeString) as List<String>;
+        parameterTypes = jsonDecoder.decodeList(jsonPath + ".parameterTypes", json["parameterTypes"], jsonDecoder.decodeString);
       }
       int requiredParameterCount;
       if (json.containsKey("requiredParameterCount")) {
         requiredParameterCount = jsonDecoder.decodeInt(jsonPath + ".requiredParameterCount", json["requiredParameterCount"]);
       }
       bool hasNamedParameters;
       if (json.containsKey("hasNamedParameters")) {
         hasNamedParameters = jsonDecoder.decodeBool(jsonPath + ".hasNamedParameters", json["hasNamedParameters"]);
       }
       String parameterName;
@@ skipping 346 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "implicitFileCount");
       }
       int workItemQueueLength;
       if (json.containsKey("workItemQueueLength")) {
         workItemQueueLength = jsonDecoder.decodeInt(jsonPath + ".workItemQueueLength", json["workItemQueueLength"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "workItemQueueLength");
       }
       List<String> cacheEntryExceptions;
       if (json.containsKey("cacheEntryExceptions")) {
-        cacheEntryExceptions = jsonDecoder.decodeList(jsonPath + ".cacheEntryExceptions", json["cacheEntryExceptions"], jsonDecoder.decodeString) as List<String>;
+        cacheEntryExceptions = jsonDecoder.decodeList(jsonPath + ".cacheEntryExceptions", json["cacheEntryExceptions"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "cacheEntryExceptions");
       }
       return new ContextData(name, explicitFileCount, implicitFileCount, workItemQueueLength, cacheEntryExceptions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "ContextData", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 2258 matching lines @@
     this.suggestions = suggestions;
   }
 
   factory LinkedEditGroup.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<Position> positions;
       if (json.containsKey("positions")) {
-        positions = jsonDecoder.decodeList(jsonPath + ".positions", json["positions"], (String jsonPath, Object json) => new Position.fromJson(jsonDecoder, jsonPath, json)) as List<Position>;
+        positions = jsonDecoder.decodeList(jsonPath + ".positions", json["positions"], (String jsonPath, Object json) => new Position.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "positions");
       }
       int length;
       if (json.containsKey("length")) {
         length = jsonDecoder.decodeInt(jsonPath + ".length", json["length"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "length");
       }
       List<LinkedEditSuggestion> suggestions;
       if (json.containsKey("suggestions")) {
-        suggestions = jsonDecoder.decodeList(jsonPath + ".suggestions", json["suggestions"], (String jsonPath, Object json) => new LinkedEditSuggestion.fromJson(jsonDecoder, jsonPath, json)) as List<LinkedEditSuggestion>;
+        suggestions = jsonDecoder.decodeList(jsonPath + ".suggestions", json["suggestions"], (String jsonPath, Object json) => new LinkedEditSuggestion.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "suggestions");
       }
       return new LinkedEditGroup(positions, length, suggestions);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "LinkedEditGroup", json);
     }
   }
 
   /**
@@ skipping 463 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "offset");
       }
       int length;
       if (json.containsKey("length")) {
         length = jsonDecoder.decodeInt(jsonPath + ".length", json["length"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "length");
       }
       List<int> targets;
       if (json.containsKey("targets")) {
-        targets = jsonDecoder.decodeList(jsonPath + ".targets", json["targets"], jsonDecoder.decodeInt) as List<int>;
+        targets = jsonDecoder.decodeList(jsonPath + ".targets", json["targets"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "targets");
       }
       return new NavigationRegion(offset, length, targets);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "NavigationRegion", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 303 matching lines @@
     }
     if (json is Map) {
       Element element;
       if (json.containsKey("element")) {
         element = new Element.fromJson(jsonDecoder, jsonPath + ".element", json["element"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "element");
       }
       List<int> offsets;
       if (json.containsKey("offsets")) {
-        offsets = jsonDecoder.decodeList(jsonPath + ".offsets", json["offsets"], jsonDecoder.decodeInt) as List<int>;
+        offsets = jsonDecoder.decodeList(jsonPath + ".offsets", json["offsets"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "offsets");
       }
       int length;
       if (json.containsKey("length")) {
         length = jsonDecoder.decodeInt(jsonPath + ".length", json["length"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "length");
       }
       return new Occurrences(element, offsets, length);
@@ skipping 138 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "offset");
       }
       int length;
       if (json.containsKey("length")) {
         length = jsonDecoder.decodeInt(jsonPath + ".length", json["length"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "length");
       }
       List<Outline> children;
       if (json.containsKey("children")) {
-        children = jsonDecoder.decodeList(jsonPath + ".children", json["children"], (String jsonPath, Object json) => new Outline.fromJson(jsonDecoder, jsonPath, json)) as List<Outline>;
+        children = jsonDecoder.decodeList(jsonPath + ".children", json["children"], (String jsonPath, Object json) => new Outline.fromJson(jsonDecoder, jsonPath, json));
       }
       return new Outline(element, offset, length, children: children);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "Outline", json);
     }
   }
 
   Map<String, dynamic> toJson() {
     Map<String, dynamic> result = {};
     result["element"] = element.toJson();
@@ skipping 132 matching lines @@
         length = jsonDecoder.decodeInt(jsonPath + ".length", json["length"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "length");
       }
       OverriddenMember superclassMember;
       if (json.containsKey("superclassMember")) {
         superclassMember = new OverriddenMember.fromJson(jsonDecoder, jsonPath + ".superclassMember", json["superclassMember"]);
       }
       List<OverriddenMember> interfaceMembers;
       if (json.containsKey("interfaceMembers")) {
-        interfaceMembers = jsonDecoder.decodeList(jsonPath + ".interfaceMembers", json["interfaceMembers"], (String jsonPath, Object json) => new OverriddenMember.fromJson(jsonDecoder, jsonPath, json)) as List<OverriddenMember>;
+        interfaceMembers = jsonDecoder.decodeList(jsonPath + ".interfaceMembers", json["interfaceMembers"], (String jsonPath, Object json) => new OverriddenMember.fromJson(jsonDecoder, jsonPath, json));
       }
       return new Override(offset, length, superclassMember: superclassMember, interfaceMembers: interfaceMembers);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "Override", json);
     }
   }
 
   Map<String, dynamic> toJson() {
     Map<String, dynamic> result = {};
     result["offset"] = offset;
@@ skipping 1438 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "kind");
       }
       bool isPotential;
       if (json.containsKey("isPotential")) {
         isPotential = jsonDecoder.decodeBool(jsonPath + ".isPotential", json["isPotential"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "isPotential");
       }
       List<Element> path;
       if (json.containsKey("path")) {
-        path = jsonDecoder.decodeList(jsonPath + ".path", json["path"], (String jsonPath, Object json) => new Element.fromJson(jsonDecoder, jsonPath, json)) as List<Element>;
+        path = jsonDecoder.decodeList(jsonPath + ".path", json["path"], (String jsonPath, Object json) => new Element.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "path");
       }
       return new SearchResult(location, kind, isPotential, path);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "SearchResult", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 269 matching lines @@
     }
     if (json is Map) {
       String message;
       if (json.containsKey("message")) {
         message = jsonDecoder.decodeString(jsonPath + ".message", json["message"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "message");
       }
       List<SourceFileEdit> edits;
       if (json.containsKey("edits")) {
-        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceFileEdit.fromJson(jsonDecoder, jsonPath, json)) as List<SourceFileEdit>;
+        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceFileEdit.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "edits");
       }
       List<LinkedEditGroup> linkedEditGroups;
       if (json.containsKey("linkedEditGroups")) {
-        linkedEditGroups = jsonDecoder.decodeList(jsonPath + ".linkedEditGroups", json["linkedEditGroups"], (String jsonPath, Object json) => new LinkedEditGroup.fromJson(jsonDecoder, jsonPath, json)) as List<LinkedEditGroup>;
+        linkedEditGroups = jsonDecoder.decodeList(jsonPath + ".linkedEditGroups", json["linkedEditGroups"], (String jsonPath, Object json) => new LinkedEditGroup.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "linkedEditGroups");
       }
       Position selection;
       if (json.containsKey("selection")) {
         selection = new Position.fromJson(jsonDecoder, jsonPath + ".selection", json["selection"]);
       }
       return new SourceChange(message, edits: edits, linkedEditGroups: linkedEditGroups, selection: selection);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "SourceChange", json);
@@ skipping 328 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "file");
       }
       int fileStamp;
       if (json.containsKey("fileStamp")) {
         fileStamp = jsonDecoder.decodeInt(jsonPath + ".fileStamp", json["fileStamp"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "fileStamp");
       }
       List<SourceEdit> edits;
       if (json.containsKey("edits")) {
-        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceEdit.fromJson(jsonDecoder, jsonPath, json)) as List<SourceEdit>;
+        edits = jsonDecoder.decodeList(jsonPath + ".edits", json["edits"], (String jsonPath, Object json) => new SourceEdit.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "edits");
       }
       return new SourceFileEdit(file, fileStamp, edits: edits);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "SourceFileEdit", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 218 matching lines @@
       Element memberElement;
       if (json.containsKey("memberElement")) {
         memberElement = new Element.fromJson(jsonDecoder, jsonPath + ".memberElement", json["memberElement"]);
       }
       int superclass;
       if (json.containsKey("superclass")) {
         superclass = jsonDecoder.decodeInt(jsonPath + ".superclass", json["superclass"]);
       }
       List<int> interfaces;
       if (json.containsKey("interfaces")) {
-        interfaces = jsonDecoder.decodeList(jsonPath + ".interfaces", json["interfaces"], jsonDecoder.decodeInt) as List<int>;
+        interfaces = jsonDecoder.decodeList(jsonPath + ".interfaces", json["interfaces"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "interfaces");
       }
       List<int> mixins;
       if (json.containsKey("mixins")) {
-        mixins = jsonDecoder.decodeList(jsonPath + ".mixins", json["mixins"], jsonDecoder.decodeInt) as List<int>;
+        mixins = jsonDecoder.decodeList(jsonPath + ".mixins", json["mixins"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "mixins");
       }
       List<int> subclasses;
       if (json.containsKey("subclasses")) {
-        subclasses = jsonDecoder.decodeList(jsonPath + ".subclasses", json["subclasses"], jsonDecoder.decodeInt) as List<int>;
+        subclasses = jsonDecoder.decodeList(jsonPath + ".subclasses", json["subclasses"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "subclasses");
       }
       return new TypeHierarchyItem(classElement, displayName: displayName, memberElement: memberElement, superclass: superclass, interfaces: interfaces, mixins: mixins, subclasses: subclasses);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "TypeHierarchyItem", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 228 matching lines @@
     this.lengths = lengths;
   }
 
   factory ExtractLocalVariableFeedback.fromJson(JsonDecoder jsonDecoder, String jsonPath, Object json) {
     if (json == null) {
       json = {};
     }
     if (json is Map) {
       List<int> coveringExpressionOffsets;
       if (json.containsKey("coveringExpressionOffsets")) {
-        coveringExpressionOffsets = jsonDecoder.decodeList(jsonPath + ".coveringExpressionOffsets", json["coveringExpressionOffsets"], jsonDecoder.decodeInt) as List<int>;
+        coveringExpressionOffsets = jsonDecoder.decodeList(jsonPath + ".coveringExpressionOffsets", json["coveringExpressionOffsets"], jsonDecoder.decodeInt);
       }
       List<int> coveringExpressionLengths;
       if (json.containsKey("coveringExpressionLengths")) {
-        coveringExpressionLengths = jsonDecoder.decodeList(jsonPath + ".coveringExpressionLengths", json["coveringExpressionLengths"], jsonDecoder.decodeInt) as List<int>;
+        coveringExpressionLengths = jsonDecoder.decodeList(jsonPath + ".coveringExpressionLengths", json["coveringExpressionLengths"], jsonDecoder.decodeInt);
       }
       List<String> names;
       if (json.containsKey("names")) {
-        names = jsonDecoder.decodeList(jsonPath + ".names", json["names"], jsonDecoder.decodeString) as List<String>;
+        names = jsonDecoder.decodeList(jsonPath + ".names", json["names"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "names");
       }
       List<int> offsets;
       if (json.containsKey("offsets")) {
-        offsets = jsonDecoder.decodeList(jsonPath + ".offsets", json["offsets"], jsonDecoder.decodeInt) as List<int>;
+        offsets = jsonDecoder.decodeList(jsonPath + ".offsets", json["offsets"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "offsets");
       }
       List<int> lengths;
       if (json.containsKey("lengths")) {
-        lengths = jsonDecoder.decodeList(jsonPath + ".lengths", json["lengths"], jsonDecoder.decodeInt) as List<int>;
+        lengths = jsonDecoder.decodeList(jsonPath + ".lengths", json["lengths"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "lengths");
       }
       return new ExtractLocalVariableFeedback(names, offsets, lengths, coveringExpressionOffsets: coveringExpressionOffsets, coveringExpressionLengths: coveringExpressionLengths);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "extractLocalVariable feedback", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 325 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "length");
       }
       String returnType;
       if (json.containsKey("returnType")) {
         returnType = jsonDecoder.decodeString(jsonPath + ".returnType", json["returnType"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "returnType");
       }
       List<String> names;
       if (json.containsKey("names")) {
-        names = jsonDecoder.decodeList(jsonPath + ".names", json["names"], jsonDecoder.decodeString) as List<String>;
+        names = jsonDecoder.decodeList(jsonPath + ".names", json["names"], jsonDecoder.decodeString);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "names");
       }
       bool canCreateGetter;
       if (json.containsKey("canCreateGetter")) {
         canCreateGetter = jsonDecoder.decodeBool(jsonPath + ".canCreateGetter", json["canCreateGetter"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "canCreateGetter");
       }
       List<RefactoringMethodParameter> parameters;
       if (json.containsKey("parameters")) {
-        parameters = jsonDecoder.decodeList(jsonPath + ".parameters", json["parameters"], (String jsonPath, Object json) => new RefactoringMethodParameter.fromJson(jsonDecoder, jsonPath, json)) as List<RefactoringMethodParameter>;
+        parameters = jsonDecoder.decodeList(jsonPath + ".parameters", json["parameters"], (String jsonPath, Object json) => new RefactoringMethodParameter.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "parameters");
       }
       List<int> offsets;
       if (json.containsKey("offsets")) {
-        offsets = jsonDecoder.decodeList(jsonPath + ".offsets", json["offsets"], jsonDecoder.decodeInt) as List<int>;
+        offsets = jsonDecoder.decodeList(jsonPath + ".offsets", json["offsets"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "offsets");
       }
       List<int> lengths;
       if (json.containsKey("lengths")) {
-        lengths = jsonDecoder.decodeList(jsonPath + ".lengths", json["lengths"], jsonDecoder.decodeInt) as List<int>;
+        lengths = jsonDecoder.decodeList(jsonPath + ".lengths", json["lengths"], jsonDecoder.decodeInt);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "lengths");
       }
       return new ExtractMethodFeedback(offset, length, returnType, names, canCreateGetter, parameters, offsets, lengths);
     } else {
       throw jsonDecoder.mismatch(jsonPath, "extractMethod feedback", json);
     }
   }
 
   Map<String, dynamic> toJson() {
@@ skipping 181 matching lines @@
         throw jsonDecoder.missingKey(jsonPath, "createGetter");
       }
       String name;
       if (json.containsKey("name")) {
         name = jsonDecoder.decodeString(jsonPath + ".name", json["name"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "name");
       }
       List<RefactoringMethodParameter> parameters;
       if (json.containsKey("parameters")) {
-        parameters = jsonDecoder.decodeList(jsonPath + ".parameters", json["parameters"], (String jsonPath, Object json) => new RefactoringMethodParameter.fromJson(jsonDecoder, jsonPath, json)) as List<RefactoringMethodParameter>;
+        parameters = jsonDecoder.decodeList(jsonPath + ".parameters", json["parameters"], (String jsonPath, Object json) => new RefactoringMethodParameter.fromJson(jsonDecoder, jsonPath, json));
       } else {
         throw jsonDecoder.missingKey(jsonPath, "parameters");
       }
       bool extractAll;
       if (json.containsKey("extractAll")) {
         extractAll = jsonDecoder.decodeBool(jsonPath + ".extractAll", json["extractAll"]);
       } else {
         throw jsonDecoder.missingKey(jsonPath, "extractAll");
       }
       return new ExtractMethodOptions(returnType, createGetter, name, parameters, extractAll);
@@ skipping 706 matching lines @@
     return false;
   }
 
   @override
   int get hashCode {
     int hash = 0;
     hash = JenkinsSmiHash.combine(hash, newName.hashCode);
     return JenkinsSmiHash.finish(hash);
   }
 }