| Index: pkg/analysis_server/tool/spec/codegen_inttest_methods.dart
 | 
| diff --git a/pkg/analysis_server/tool/spec/codegen_inttest_methods.dart b/pkg/analysis_server/tool/spec/codegen_inttest_methods.dart
 | 
| index 43e85e6a33d843e8636fae3f7aa6f0e26d29fed5..0a3202538f243c86eb8da35744b8966c543f42ad 100644
 | 
| --- a/pkg/analysis_server/tool/spec/codegen_inttest_methods.dart
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| +++ b/pkg/analysis_server/tool/spec/codegen_inttest_methods.dart
 | 
| @@ -233,6 +233,8 @@ class CodegenInttestMethodsVisitor extends HierarchicalApiVisitor with
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|          default:
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|            throw new Exception(type.typeName);
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|        }
 | 
| +    } else if (type is TypeUnion) {
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| +      return 'Object';
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|      } else {
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|        throw new Exception('Unexpected kind of TypeDecl');
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|      }
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| 
 |