new Supplier<Lock>() {
        @Override
        public Lock get() {
          return new ReentrantLock();
        }
      };

  @Param({"2", "8", "64", "1024", "65536"})
  int numStripes;

  @Param Impl impl;

  enum Impl {
    EAGER {
      @Override
      Striped<Lock> get(int stripes) {
        return Striped.lock(stripes);
      }
    },
    LAZY_SMALL {
      @Override

      new Supplier<Lock>() {
        @Override
        public Lock get() {
          return new ReentrantLock();
        }
      };

  @Param({"2", "8", "64", "1024", "65536"})
  int numStripes;

  @Param Impl impl;

  enum Impl {
    EAGER {
      @Override
      Striped<Lock> get(int stripes) {
        return Striped.lock(stripes);
      }
    },
    LAZY_SMALL {
      @Override

    result = Math.scalb(result, RANDOM_SOURCE.nextInt(maxExponent + 1));
    return RANDOM_SOURCE.nextBoolean() ? result : -result;
  }

  /** Returns a random integer between zero and {@code MAX_EXPONENT}. */
  static int randomExponent() {
    return RANDOM_SOURCE.nextInt(MAX_EXPONENT + 1);
  }

  static double randomPositiveDouble() {
    return Math.exp(randomDouble(6));
  }

  private MathBenchmarking() {}

     * given patterns match all files.
     *
     * @return path matcher that unconditionally returns {@code true} for all files
     */
    @Nonnull
    PathMatcher includesAll();

    /**
     * {@return whether the given matcher includes all files}.
     * This method may conservatively returns {@code false} if case of doubt.
     * A return value of {@code true} means that the pattern is certain to match all files.

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "bad_word";
    }

    @Override
    public String xgetAliasName() {
        return "bad_word";
    }

    // ===================================================================================

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "boost_document_rule";
    }

    @Override
    public String xgetAliasName() {
        return "boost_document_rule";
    }

    // ===================================================================================

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "request_header";
    }

    @Override
    public String xgetAliasName() {
        return "request_header";
    }

    // ===================================================================================

  private static native <E extends Enum<E>> @Nullable Class<E> getDeclaringClassOrNullForJ2cl(
      E e) /*-{
    return ******@****.***::getDeclaringClass()();
  }-*/;

  static int reduceIterationsIfGwt(int iterations) {
    return iterations / 10;
  }

  static int reduceExponentIfGwt(int exponent) {
    return exponent / 2;
  }

  private Platform() {}

    //                                                                       =============
    @Override
    public String asTableDbName() {
        return "elevate_word";
    }

    @Override
    public String xgetAliasName() {
        return "elevate_word";
    }

    // ===================================================================================

  @SuppressWarnings("unchecked")
  public static <K, V> ImmutableBiMap<K, V> of() {
    return (ImmutableBiMap<K, V>) RegularImmutableBiMap.EMPTY;
  }

  /** Returns an immutable bimap containing a single entry. */
  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1) {
    checkEntryNotNull(k1, v1);
    return new RegularImmutableBiMap<>(new Object[] {k1, v1}, 1);
  }

  /**