/**
     * A string to replace :.
     */
    protected String colonStr = "_CLN_";

    /**
     * A string to replace ;.
     */
    protected String semicolonStr = "_SCLN_";

    /**
     * A string to replace &.
     */
    protected String ampersandStr = "_AMP_";

    /** Maximum number of duplicated paths to attempt */
    protected int maxDuplicatedPath = 100;