Entry<K, V> onlyEntry = requireNonNull(entries[0]);
          return of(onlyEntry.getKey(), onlyEntry.getValue());
        default:
          break;
      }
      // localEntries is an alias for the entries field, except if we end up removing duplicates in
      // a copy of the entries array. Likewise, localSize is the same as size except in that case.

  // From "How Provider Implementations Are Requested and Supplied" from
  // http://docs.oracle.com/javase/6/docs/technotes/guides/security/crypto/CryptoSpec.html
  //  - Some providers may choose to also include alias names.
  //  - For example, the "SHA-1" algorithm might be referred to as "SHA1".
  //  - The algorithm name is not case-sensitive.
  private static final ImmutableMap<String, HashFunction> ALGORITHMS =

  // From "How Provider Implementations Are Requested and Supplied" from
  // http://docs.oracle.com/javase/6/docs/technotes/guides/security/crypto/CryptoSpec.html
  //  - Some providers may choose to also include alias names.
  //  - For example, the "SHA-1" algorithm might be referred to as "SHA1".
  //  - The algorithm name is not case-sensitive.
  private static final ImmutableMap<String, HashFunction> ALGORITHMS =

       * affect the original array), and future build() calls will always copy any entry
       * objects that cannot be safely reused.
       */
      // localAlternatingKeysAndValues is an alias for the alternatingKeysAndValues field, except if
      // we end up removing duplicates in a copy of the array.
      @Nullable Object[] localAlternatingKeysAndValues;
      int localSize = size;