code: /**
   * This file is part of Eclipse Steady.
   *
   * Licensed 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.
   *
   * SPDX-License-Identifier: Apache-2.0
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.java.test;
  
  import java.io.Serializable;
  import java.util.NoSuchElementException;
  
  /**
   * Real-world example (modified).
   */
  @SuppressWarnings("nls")
  public enum ConfigKey implements ConfigurationKey {
    MEMBER_MANAGEMENT(Boolean.class, "featureMemberManagementEnabled", "true"),
    MEMBER_METADATA_UPDATE(Boolean.class, "featureMemberMetadata", "false");
  
    private final Class type;
  
    private final String key;
    private final String defaultValue;
  
    ConfigKey(final Class type, final String literal, final String defaultValue) {
      this.type = type;
      this.key = literal;
      this.defaultValue = defaultValue;
    }
  
    @Override
    public final Class getType() {
      return type;
    }
  
    @Override
    public final String getKey() {
  
      class InnerClass1 {
        InnerClass1() {}
  
        void foo() {}
      }
      ;
  
      class InnerClass2 {
        void foo() {}
      }
      ;
  
      return key;
    }
  
    @Override
    public final String getDefaultValue() {
  
      class InnerClass1 {
        InnerClass1() {}
  
        void foo() {}
      }
      ;
  
      Serializable s =
          new Serializable() {
            void foo() {}
          };
  
      return defaultValue;
    }
  
    public static ConfigurationKey fromKey(final String key) {
      for (final ConfigurationKey configKey : ConfigKey.values()) {
        if (configKey.getKey().equals(key)) {
          return configKey;
        }
      }
  
      throw new NoSuchElementException(
          String.format("No API configuration key found with key '%s'", key));
    }
  }
  