this.fragmentSize = fragmentSize;
        return this;
    }

    /**
     * Gets the number of fragments.
     *
     * @return the maximum number of highlighted fragments
     */
    public int getNumOfFragments() {
        return numOfFragments;
    }

    /**
     * Sets the number of fragments with fluent interface.
     *
     * @param numOfFragments the maximum number of highlighted fragments