* @param oldKeyName the key name directly under length to replace.
     * @param newKeyName the new key name directly under length.
     * @see ReplaceKeyInLength
     */
    public void replaceKeyInLength(String oldKeyName, String newKeyName) {
        transformations.add(new ReplaceKeyInLength(oldKeyName, newKeyName, null));
    }

    /**
     * Replaces all the values of a length assertion for all project REST tests.

              task.replaceKeyInMatch("match_.some.key_to_replace", "match_.some.key_that_was_replaced")
              task.replaceKeyInLength("key.in_length_to_replace", "key.in_length_that_was_replaced")
              task.replaceValueInLength("value_to_replace", 99, "one")
              task.replaceValueTextByKeyValue("keyvalue", "toreplace", "replacedkeyvalue")