*/
    public boolean isUpdated() {
        return newInput != null;
    }

    /**
     * Checks if this item has been deleted.
     * @return true if deleted, false otherwise
     */
    public boolean isDeleted() {
        return isUpdated() && newInput.length() == 0;
    }

    @Override
    public int hashCode() {
        return java.util.Objects.hashCode(input);
    }

    @Override

    }

    /**
     * Checks if the item has been marked for deletion.
     *
     * @return true if the item is marked for deletion, false otherwise.
     */
    public boolean isDeleted() {
        return isUpdated() && StringUtil.isBlank(newInput);
    }

    @Override
    public int hashCode() {
        return Objects.hash(input, output);
    }

    @Override

    }

    /**
     * Checks if the item has been marked for deletion.
     *
     * @return true if the item is marked for deletion, false otherwise.
     */
    public boolean isDeleted() {
        return isUpdated() && newInput.length() == 0;
    }

    @Override
    public int hashCode() {
        return java.util.Objects.hashCode(input);
    }

    @Override

     * An item is considered deleted if it has updates pending and the new inputs array is empty.
     *
     * @return true if the item is marked for deletion
     */
    public boolean isDeleted() {
        return isUpdated() && newInputs.length == 0;
    }

    /**
     * Sorts both the current inputs and new inputs arrays in place.

        return newToken != null;
    }

    /**
     * Returns true if the item has been deleted.
     *
     * @return True if the item has been deleted.
     */
    public boolean isDeleted() {
        return isUpdated() && newToken.length() == 0;
    }

    @Override
    public int hashCode() {
        return Objects.hash(pos, reading, segmentation, token);
    }

    @Override

    }

    /**
     * Checks if the item has been marked for deletion.
     *
     * @return true if the item is marked for deletion, false otherwise.
     */
    public boolean isDeleted() {
        return isUpdated() && newInputs.length == 0;
    }

    @Override
    public int hashCode() {
        return Objects.hash(Arrays.hashCode(inputs), Arrays.hashCode(outputs));
    }

                    throw new DictionaryException("Kuromoji file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("Mapping file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("Synonym file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);

                    throw new DictionaryException("Protwords file was updated: old=" + oldItem + " : new=" + item);
                }
                try {
                    if (!item.isDeleted()) {
                        // update
                        writer.write(item.toLineString());
                        writer.write(Constants.LINE_SEPARATOR);