protected void addParameter(String name, String value) {
    atts.add(new Parameter(name, value));
  }
protected void addParameter(String name, String value) {
    atts.add(new Parameter(name, value));
  }
protected void addParameter ( String name , String value ) { atts . add ( new Parameter ( name , value ) ) ; }
Add an attribute to this projection

@param name  name of the attribute
@param value attribute value as a string
Add an attribute to this projection