


![image](https://user-images.githubusercontent.com/4089452/60226937-ee8e7600-98bf-11e9-8d62-76d59976cd3f.png)


![image](https://user-images.githubusercontent.com/4089452/60226950-fd752880-98bf-11e9-90f1-627436f950ca.png)


The application will not find protobuf class, and throw exception.


/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.dubbo.metadata.definition;
import org.apache.dubbo.common.extension.ExtensionLoader;
import org.apache.dubbo.metadata.definition.builder.DefaultTypeBuilder;
import org.apache.dubbo.metadata.definition.builder.TypeBuilder;
import org.apache.dubbo.metadata.definition.model.TypeDefinition;
import java.lang.reflect.Type;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
 * 2015/1/27.
 */
public class TypeDefinitionBuilder {