}
    }

    static {
      theUnsafe = getUnsafe();
      BYTE_ARRAY_BASE_OFFSET = theUnsafe.arrayBaseOffset(byte[].class);

      // sanity check - this should never fail
      if (theUnsafe.arrayIndexScale(byte[].class) != 1) {
        throw new AssertionError();
      }
    }
  }

  /**
   * Fallback implementation for when VarHandle and Unsafe are not available in our current
   * environment.

        if (theUnsafe == null) {
          return OFFSET_UNSAFE_APPROACH_IS_UNAVAILABLE;
        }

        try {
          int offset = theUnsafe.arrayBaseOffset(byte[].class);
          int scale = theUnsafe.arrayIndexScale(byte[].class);

          // Use Unsafe only if we're in a 64-bit JVM with an 8-byte aligned field offset.
          if (Objects.equals(System.getProperty("sun.arch.data.model"), "64")
              && (offset % 8) == 0