*/
  public static final int BYTES = Character.SIZE / Byte.SIZE;

  /**
   * Returns a hash code for {@code value}; equal to the result of invoking {@code ((Character)
   * value).hashCode()}.
   *
   * <p><b>Java 8+ users:</b> use {@link Character#hashCode(char)} instead.
   *
   * @param value a primitive {@code char} value
   * @return a hash code for the value
   */
  public static int hashCode(char value) {
    return value;
  }

   */
  public static final int BYTES = Double.SIZE / Byte.SIZE;

  /**
   * Returns a hash code for {@code value}; equal to the result of invoking {@code ((Double)
   * value).hashCode()}.
   *
   * <p><b>Java 8+ users:</b> use {@link Double#hashCode(double)} instead.
   *
   * @param value a primitive {@code double} value
   * @return a hash code for the value
   */
  public static int hashCode(double value) {

  public static final int MAX_POWER_OF_TWO = 1 << (Integer.SIZE - 2);

  /**
   * Returns a hash code for {@code value}; equal to the result of invoking {@code ((Integer)
   * value).hashCode()}.
   *
   * <p><b>Java 8+ users:</b> use {@link Integer#hashCode(int)} instead.
   *
   * @param value a primitive {@code int} value
   * @return a hash code for the value
   */
  public static int hashCode(int value) {
    return value;
  }

            </dependency>
          </dependencies>
          <configuration>
            <annotations>com.google.common.base.IgnoreJRERequirement,com.google.common.collect.IgnoreJRERequirement,com.google.common.hash.IgnoreJRERequirement,com.google.common.io.IgnoreJRERequirement,com.google.common.reflect.IgnoreJRERequirement,com.google.common.testing.IgnoreJRERequirement</annotations>
            <checkTestClasses>true</checkTestClasses>

   *
   * <p>This implementation tries to be smart in a number of ways. It recognizes cases where the
   * negation is cheaper to precompute than the matcher itself; it tries to build small hash tables
   * for matchers that only match a few characters, and so on. In the worst-case scenario, it
   * constructs an eight-kilobyte bit array and queries that. In many situations this produces a

  }

  /**
   * Sets the minimum total size for the internal hash tables. For example, if the initial capacity
   * is {@code 60}, and the concurrency level is {@code 8}, then eight segments are created, each
   * having a hash table of size eight. Providing a large enough estimate at construction time

      this.size += other.size;
      return this;
    }

    private ImmutableMap<K, V> build(boolean throwIfDuplicateKeys) {
      /*
       * If entries is full, or if hash flooding is detected, then this implementation may end up
       * using the entries array directly and writing over the entry objects with non-terminal

    if (key == null) {
      return null;
    }
    int hash = hash(key);
    return segmentFor(hash).get(key, hash);
  }

  @CanIgnoreReturnValue // TODO(b/27479612): consider removing this
  V get(K key, CacheLoader<? super K, V> loader) throws ExecutionException {
    int hash = hash(checkNotNull(key));
    return segmentFor(hash).get(key, hash, loader);
  }

  @CheckForNull

   * exists, a CAS is tried.  Retries proceed by "double hashing",
   * using a secondary hash (Marsaglia XorShift) to try to find a
   * free slot.
   *
   * The table size is capped because, when there are more threads
   * than CPUs, supposing that each thread were bound to a CPU,
   * there would exist a perfect hash function mapping threads to
   * slots that eliminates collisions. When we reach capacity, we

import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.CharMatcher.NamedFastMatcher;
import java.util.BitSet;

/**
 * An immutable version of CharMatcher for smallish sets of characters that uses a hash table with
 * linear probing to check for matches.
 *
 * @author Christopher Swenson
 */
@GwtIncompatible // no precomputation is done in GWT
@ElementTypesAreNonnullByDefault