1. DomName('XSLTProcessor.removeParameter')
  2. DocsEditable()
void removeParameter(String namespaceURI, String localName)

Source 

@DomName('XSLTProcessor.removeParameter')
@DocsEditable()
void removeParameter(String namespaceURI, String localName) => _blink.BlinkXSLTProcessor.instance.removeParameter_Callback_2_(this, namespaceURI, localName);