return newOutputs == null ? null : newOutputs.clone();
    }

    /**
     * Sets the new output synonyms.
     *
     * @param newOutputs The new output synonyms.
     */
    public void setNewOutputs(final String[] newOutputs) {
        this.newOutputs = newOutputs;
    }

    /**
     * Gets the original input words.
     * Returns a defensive copy to prevent external modification.
     *