* @param item the character mapping item to delete
     */
    @Override
    public synchronized void delete(final CharMappingItem item) {
        final CharMappingItem mappingItem = item;
        mappingItem.setNewInputs(StringUtil.EMPTY_STRINGS);
        mappingItem.setNewOutput(StringUtil.EMPTY);
        try (MappingUpdater updater = new MappingUpdater(item)) {
            reload(updater);
        }
    }

    /**

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

    /**
     * Sets the new input words.
     *
     * @param newInputs The new input words.
     */
    public void setNewInputs(final String[] newInputs) {
        this.newInputs = newInputs;
    }

    /**
     * Gets the new output synonyms.
     * Returns a defensive copy to prevent external modification.
     *

    }

    /**
     * Sets the array of new input character sequences for update operations.
     *
     * @param newInputs array of new input sequences to set
     */
    public void setNewInputs(final String[] newInputs) {
        this.newInputs = newInputs;
    }

    /**
     * Returns the new output character sequence for update operations.
     *

            reload(updater);
        }
    }

    @Override
    public synchronized void delete(final SynonymItem item) {
        final SynonymItem synonymItem = item;
        synonymItem.setNewInputs(StringUtil.EMPTY_STRINGS);
        synonymItem.setNewOutputs(StringUtil.EMPTY_STRINGS);
        try (SynonymUpdater updater = new SynonymUpdater(item)) {
            reload(updater);
        }
    }

    /**

        return getEntity(form).map(entity -> {
            final String[] newInputs = splitLine(form.inputs);
            validateMappingString(action, newInputs, "inputs", hook);
            entity.setNewInputs(newInputs);
            final String newOutput = form.output;
            entity.setNewOutput(newOutput);
            return entity;
        });
    }

        return getEntity(form).map(entity -> {
            final String[] newInputs = splitLine(form.inputs);
            validateSynonymString(action, newInputs, "inputs", hook);
            entity.setNewInputs(newInputs);
            final String[] newOutputs = splitLine(form.outputs);
            validateSynonymString(action, newOutputs, "outputs", hook);
            entity.setNewOutputs(newOutputs);
            return entity;