code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC 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.openqa.selenium.json;
  
  import java.lang.reflect.ParameterizedType;
  import java.lang.reflect.Type;
  
  class Types {
    private Types() {
      // Utility class
    }
  
    static Class<?> narrow(Type type) {
      if (type instanceof Class) {
        return (Class<?>) type;
      }
  
      if (type instanceof ParameterizedType) {
        return narrow(((ParameterizedType) type).getRawType());
      }
  
      throw new JsonException("Unable to narrow " + type.getClass());
    }
  }
  