content: /*
   * Copyright 2024 Copyright 2022 Aiven Oy and
   * bigquery-connector-for-apache-kafka project contributors
   *
   * This software contains code derived from the Confluent BigQuery
   * Kafka Connector, Copyright Confluent, Inc, which in turn
   * contains code derived from the WePay BigQuery Kafka Connector,
   * Copyright WePay, Inc.
   *
   * 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.
   */
  
  package io.aiven.kafka.config.tools;
  
  import io.aiven.kafka.utils.ExtendedConfigKey;
  import org.apache.kafka.common.config.ConfigDef;
  
  
  /**
  * Defines the variables that are available for the Velocity template to access a {@link ConfigDef.ConfigKey} object.
     *
         * @see <a href="https://velocity.apache.org/">Apache Velocity</a>
      */
  public class ExtendedConfigKeyBean extends ConfigKeyBean {
    /** The key */
    private final boolean extendedFlag;
  
    /**
     * Constructor.
     *
     * @param key
     *      the Key to wrap.
     */
    public ExtendedConfigKeyBean(final ConfigDef.ConfigKey key) {
      super(key);
      this.extendedFlag = (key instanceof ExtendedConfigKey);
    }
  
    public final boolean isExtendedFlag() {
      return extendedFlag;
    }
  
    private ExtendedConfigKey asExtended() {
      return extendedFlag ? (ExtendedConfigKey) key : null;
    }
  
    public final String since() {
      return extendedFlag ? asExtended().since : null;
    }
  
    @SuppressWarnings("unused")
    public final boolean isDeprecated() {
      return extendedFlag && asExtended().isDeprecated();
    }
  
    public final ExtendedConfigKey.DeprecatedInfo deprecated() {
      return extendedFlag ? asExtended().deprecated : null;
    }
  
  }
  