else -> address
  }

/** Returns true for IPv6 addresses like `0000:0000:0000:0000:0000:ffff:XXXX:XXXX`. */
private fun isMappedIpv4Address(address: ByteArray): Boolean {
  if (address.size != 16) return false

  for (i in 0 until 10) {
    if (address[i] != 0.toByte()) return false
  }

  if (address[10] != 255.toByte()) return false
  if (address[11] != 255.toByte()) return false

  return true
}

     *
     * @param <E> the element type of {@link HashSet}
     * @param c the collection of elements to be placed in the set
     * @return a new instance of {@link HashSet}
     * @see HashSet#HashSet()
     */
    public static <E> HashSet<E> newHashSet(final Collection<? extends E> c) {
        return new HashSet<>(c);
    }

    /**

	return c.with(func(db *DB) *DB {
		return db.Where(query, args...)
	})
}

func (c chainG[T]) Not(query interface{}, args ...interface{}) ChainInterface[T] {
	return c.with(func(db *DB) *DB {
		return db.Not(query, args...)
	})
}

func (c chainG[T]) Or(query interface{}, args ...interface{}) ChainInterface[T] {
	return c.with(func(db *DB) *DB {
		return db.Or(query, args...)
	})
}

      ListenableFuture<? extends O> output = function.apply(input);
      checkNotNull(
          output,
          "AsyncFunction.apply returned null instead of a Future. "
              + "Did you mean to return immediateFuture(null)? %s",
          function);
      return output;
    }

    @Override
    void setResult(ListenableFuture<? extends O> result) {
      setFuture(result);
    }
  }

    override fun equals(other: Any?): Boolean {
      if (this === other) return true
      if (other !is Pin) return false

      if (pattern != other.pattern) return false
      if (hashAlgorithm != other.hashAlgorithm) return false
      if (hash != other.hash) return false

      return true
    }

    override fun hashCode(): Int {
      var result = pattern.hashCode()

		return ErrHandlerAlreadyExists
	}
	m.handlers.subStreams[subID] = &h
	// Copy so clients can also pick it up for other subpaths.
	m.handlers.subStreams[makeZeroSubHandlerID(id)] = &h
	return nil
}

// HostName returns the name of the local host.
func (m *Manager) HostName() string {
	return m.local
}

// Targets returns the names of all remote targets.

        return result;
    }

    // Backward compat

    /**
     * Returns the plugin context for given key ({@link PluginDescriptor#getPluginLookupKey()} and
     * {@link MavenProject}, never returns {@code null} as if context not present, creates it.
     *
     * <strong>Implementation note:</strong> while this method return type is {@link Map}, the returned map instance
     * implements {@link ConcurrentMap} as well.

func (fi headerFileInfo) ModTime() time.Time { return fi.h.ModTime }
func (fi headerFileInfo) Sys() any           { return fi.h }

// Name returns the base name of the file.
func (fi headerFileInfo) Name() string {
	if fi.IsDir() {
		return path.Base(path.Clean(fi.h.Name))
	}
	return path.Base(fi.h.Name)
}

// Mode returns the permission and mode bits for the headerFileInfo.

		return
	}

	conn, err := sqlDB.Conn(tx.Statement.Context)
	if err != nil {
		return
	}

	defer conn.Close()
	tx.Statement.ConnPool = conn
	return fc(tx)
}

// Transaction start a transaction as a block, return error will rollback, otherwise to commit. Transaction executes an
// arbitrary number of commands in fc within a transaction. On success the changes are committed; if an error occurs

    }

    /**
     * Get the oplock level granted by the server
     * @return the oplockLevel
     */
    public final byte getOplockLevel() {
        return this.oplockLevel;
    }

    /**
     * Get the open flags returned by the server
     * @return the flags
     */
    public final byte getOpenFlags() {
        return this.openFlags;
    }

    /**
     * Get the create action taken by the server