code: public static HashCode fromBytes(byte[] bytes) {
          N.checkArgument(bytes.length >= 1, "A HashCode must contain at least 1 byte.");
          return fromBytesNoCopy(bytes.clone());
      }
docs: Creates a {@code HashCode} from a byte array. The array is defensively copied to preserve the
  immutability contract of {@code HashCode}. The array cannot be empty.
  
  @since 15.0 (since 12.0 in HashCodes)