}

    @Override
    public NavigableMap<K, V> headMap(@ParametricNullness K toKey, boolean inclusive) {
      return asMap(set.headSet(toKey, inclusive), function);
    }

    @Override
    public NavigableMap<K, V> tailMap(@ParametricNullness K fromKey, boolean inclusive) {
      return asMap(set.tailSet(fromKey, inclusive), function);
    }

    @Override

    }

    @Override
    public NavigableMap<K, V> headMap(@ParametricNullness K toKey, boolean inclusive) {
      return asMap(set.headSet(toKey, inclusive), function);
    }

    @Override
    public NavigableMap<K, V> tailMap(@ParametricNullness K fromKey, boolean inclusive) {
      return asMap(set.tailSet(fromKey, inclusive), function);
    }

    @Override

	// its expected to fail with error message "InvalidArgument".
	verifyError(c, response4, "InvalidArgument", "Part number must be an integer between 1 and 10000, inclusive", http.StatusBadRequest)
}

// TestObjectValidMD5 - First uploads an object with a valid Content-Md5 header and verifies the status,
// then upload an object in a wrong Content-Md5 and validate the error response.