/**
     * Gets the duration of the video in seconds.
     * @return the duration
     */
    public String getDuration() {
        return duration;
    }

    /**
     * Sets the duration of the video in seconds.
     * @param duration the duration to set
     */
    public void setDuration(final String duration) {
        this.duration = duration;
    }

    /**
     * Gets the publication date.