@Override
  public boolean equals(Object other) {
    if (this == other) {
      return true;
    }
    if (other instanceof Binary) {
      Binary binary = (Binary) other;
      return Arrays.equals(data, binary.data);
    }
    return false;
  }
Holds byte array and have specific type for binding.
mongo/src/org/immutables/mongo/types/Binary.java