code: @Override
  	public int compareTo(CssLink o) {
  		if (o == null) {
  			return 1;
  		}
  		return Integer.valueOf(this.precedence).compareTo(o.precedence);
  	}
docs: /*
  (non-Javadoc)
  
  @see java.lang.Comparable#compareTo(java.lang.Object)