checkArgument(rowList.isEmpty() == columnList.isEmpty());

    /*
     * TODO(jlevy): Support only one of rowKey / columnKey being empty? If we
     * do, when columnKeys is empty but rowKeys isn't, rowKeyList() can contain
     * elements but rowKeySet() will be empty and containsRow() won't
     * acknowledge them.
     */
    rowKeyToIndex = Maps.indexMap(rowList);
    columnKeyToIndex = Maps.indexMap(columnList);

  }

  public void testMappedIPv4Addresses() throws UnknownHostException {
    /*
     * Verify that it is not possible to instantiate an Inet6Address
     * from an "IPv4 mapped" IPv6 address.  Our String-based method can
     * at least identify them, however.
     */
    String mappedStr = "::ffff:192.168.0.1";
    assertTrue(InetAddresses.isMappedIPv4Address(mappedStr));
    InetAddress mapped = InetAddresses.forString(mappedStr);

   * member of the given collection. It does not defensively copy the collection passed in, so
   * future changes to it will alter the behavior of the predicate.
   *
   * <p>This method can technically accept any {@code Collection<?>}, but using a typed collection
   * helps prevent bugs. This approach doesn't block any potential users since it is always possible
   * to use {@code Predicates.<Object>in()}.
   *

/*
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of

    assertFalse(callableCalled.get());
  }

  private static <T> AsyncCallable<T> constantAsyncCallable(ListenableFuture<T> returnValue) {
    return () -> returnValue;
  }

  /** Runnable which can be called a single time, and only after {@link #expectCall} is called. */
  // TODO(cpovirk): top-level class?
  private static class SingleCallListener implements Runnable {

    private boolean expectCall = false;

    assertFalse(callableCalled.get());
  }

  private static <T> AsyncCallable<T> constantAsyncCallable(ListenableFuture<T> returnValue) {
    return () -> returnValue;
  }

  /** Runnable which can be called a single time, and only after {@link #expectCall} is called. */
  // TODO(cpovirk): top-level class?
  private static class SingleCallListener implements Runnable {

    private boolean expectCall = false;

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

    private static final Logger logger = LogManager.getLogger(FileListIndexUpdateCallbackImpl.class);

    /**
     * The key used to specify the pattern for excluding URLs.
     * This constant can be used to retrieve or set the URL exclusion pattern
     * in configuration or processing logic.
     */
    protected static final String URL_EXCLUDE_PATTERN = "url_exclude_pattern";

    protected ExecutorService executorService;

    /** Size of the window for rank fusion processing, determines how many results to consider */
    protected int windowSize;

    /** Set of available searcher names that can be used for search processing */
    protected Set<String> availableSearcherNameSet;

    /**
     * Default constructor for RankFusionProcessor.
     * Initializes the processor with default values. The actual initialization

     and conditions of the license they choose before applying it.
     Licensors should also secure all rights necessary before
     applying our licenses so that the public can reuse the
     material as expected. Licensors should clearly mark any
     material not subject to the license. This includes other CC-
     licensed material, or material used under an exception or