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.cassandra.utils;
  
  public interface SearchIterator<K, V>
  {
      /**
       * Searches "forwards" (in direction of travel) in the iterator for the required key;
       * if this or any key greater has already been returned by the iterator, the method may
       * choose to return null, the correct or incorrect output, or fail an assertion.
       *
       * it is permitted to search past the end of the iterator, i.e. {@code !hasNext() => next(?) == null}
       *
       * @param key to search for
       * @return value associated with key, if present in direction of travel
       */
      public V next(K key);
  }
  