code: static int load32(byte[] source, int offset) {
      // TODO(user): Measure the benefit of delegating this to LittleEndianBytes also.
      return (source[offset] & 0xFF)
          | ((source[offset + 1] & 0xFF) << 8)
          | ((source[offset + 2] & 0xFF) << 16)
          | ((source[offset + 3] & 0xFF) << 24);
    }
docs: Load 4 bytes from the provided array at the indicated offset.
  
  @param source the input bytes
  @param offset the offset into the array at which to start
  @return the value found in the array in the form of a long