content: /*
   * 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.kafka.common.annotation;
  
  import java.lang.annotation.Documented;
  import java.lang.annotation.Retention;
  import java.lang.annotation.RetentionPolicy;
  
  /**
   * Annotation to inform users of how much to rely on a particular package, class or method not changing over time.
   * Currently the stability can be {@link Stable}, {@link Evolving} or {@link Unstable}.
   */
  public class InterfaceStability {
      /**
       * Compatibility is maintained in major, minor and patch releases with one exception: compatibility may be broken
       * in a major release (i.e. 0.m) for APIs that have been deprecated for at least one major/minor release cycle.
       * In cases where the impact of breaking compatibility is significant, there is also a minimum deprecation period
       * of one year.
       *
       * This is the default stability level for public APIs that are not annotated.
       */
      @Documented
      @Retention(RetentionPolicy.RUNTIME)
      public @interface Stable { }
  
      /**
       * Compatibility may be broken at minor release (i.e. m.x).
       */
      @Documented
      @Retention(RetentionPolicy.RUNTIME)
      public @interface Evolving { }
  
      /**
       * No guarantee is provided as to reliability or stability across any level of release granularity.
       */
      @Documented
      @Retention(RetentionPolicy.RUNTIME)
      public @interface Unstable { }
  }
  