return UNSAFE.compareAndSwapLong(this, BASE_OFFSET, cmp, val);
  }

  /** CASes the busy field from 0 to 1 to acquire lock. */
  final boolean casBusy() {
    return UNSAFE.compareAndSwapInt(this, BUSY_OFFSET, 0, 1);
  }

  /**
   * Computes the function of current and new value. Subclasses should open-code this update

    checkArgument(totalLoadTime >= 0);
    checkArgument(evictionCount >= 0);

    this.hitCount = hitCount;
    this.missCount = missCount;
    this.loadSuccessCount = loadSuccessCount;
    this.loadExceptionCount = loadExceptionCount;
    this.totalLoadTime = totalLoadTime;
    this.evictionCount = evictionCount;
  }

  /**

    checkArgument(totalLoadTime >= 0);
    checkArgument(evictionCount >= 0);

    this.hitCount = hitCount;
    this.missCount = missCount;
    this.loadSuccessCount = loadSuccessCount;
    this.loadExceptionCount = loadExceptionCount;
    this.totalLoadTime = totalLoadTime;
    this.evictionCount = evictionCount;
  }

  /**

  @CanIgnoreReturnValue
  public MapMaker concurrencyLevel(int concurrencyLevel) {
    checkState(
        this.concurrencyLevel == UNSET_INT,
        "concurrency level was already set to %s",
        this.concurrencyLevel);
    checkArgument(concurrencyLevel > 0);
    this.concurrencyLevel = concurrencyLevel;
    return this;
  }

  int getConcurrencyLevel() {

        file("/build/${testIntermediateDir}/transformed/rest-api-spec/test/" + test).text.contains("headers") //transformation adds this
        file("/build/resources/yamlRestCompatTest/rest-api-spec/test/" + additionalTest).exists()

        //additionalTest is not copied from the prior version, and thus not in the intermediate directory, nor transformed

 * the version the current one is wire and index compatible with.
 * On top of this, figure out which of these are unreleased and provide the branch they can be built from.
 * <p>
 * Note that in this context, currentVersion is the unreleased version this build operates on.
 * At any point in time there will surely be four such unreleased versions being worked on,
 * thus currentVersion will be one of these.
 * <p>
 * Considering:
 * <dl>

    assertSeededHashFunctionEquals(Hashing.class);
  }

  /**
   * Tests equality of {@link Hashing#goodFastHash} instances. This test must be separate from
   * {@link #testSeededHashFunctionEquals} because the parameter to {@code goodFastHash} is a size,
   * not a seed, and because that size is rounded up. Thus, {@code goodFastHash} instances with
   * different parameters can be equal. That fact is a problem for {@code

    assertThat(simplifyPath("/../../../")).isEqualTo("/");
  }

  // b/4558855
  public void testMadbotsBug() {
    assertThat(simplifyPath("../this")).isEqualTo("../this");
    assertThat(simplifyPath("../this/is/ok")).isEqualTo("../this/is/ok");
    assertThat(simplifyPath("../this/../ok")).isEqualTo("../ok");
  }

  // https://github.com/google/guava/issues/705
  public void test705() {

    assertThat(simplifyPath("/../../../")).isEqualTo("/");
  }

  // b/4558855
  public void testMadbotsBug() {
    assertThat(simplifyPath("../this")).isEqualTo("../this");
    assertThat(simplifyPath("../this/is/ok")).isEqualTo("../this/is/ok");
    assertThat(simplifyPath("../this/../ok")).isEqualTo("../ok");
  }

  // https://github.com/google/guava/issues/705
  public void test705() {

 * Copyright (C) 2000  "Michael B. Allen" <jcifs at samba dot org>
 *
 * 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,