docs: public void setFormParams(TreeSet<HtmlParameter> postParams) {
  		if (postParams.isEmpty()) {
  			this.setBody("");
  			return;
  		}
  		
  		StringBuilder postData = new StringBuilder();
  		
  		for(HtmlParameter parameter: postParams) {
  			if (parameter.getType() != HtmlParameter.Type.form) {
  				continue;
  			}
  			
  			postData.append(parameter.getName());
  			postData.append('=');
  			postData.append(parameter.getValue());
  			postData.append('&');
  		}
  		
  		String data = "";
  		if (postData.length() != 0) {
  			data = postData.substring(0, postData.length() - 1);
  		}
  		
  		this.setBody(data);
  	}