this.rolePrefix = rolePrefix;
    }

    /**
     * Sets the prefix used to identify group-based permissions.
     *
     * @param groupPrefix the group prefix to set
     */
    public void setGroupPrefix(final String groupPrefix) {
        this.groupPrefix = groupPrefix;
    }

    /**
     * Sets the prefix used to identify user-based permissions.
     *
     * @param userPrefix the user prefix to set