1. @DomName('XSLTProcessor.importStylesheet')
  2. @DocsEditable()
void importStylesheet(Node style)

Source 

@DomName('XSLTProcessor.importStylesheet')
@DocsEditable()
void importStylesheet(Node style) => _blink.BlinkXSLTProcessor.instance
    .importStylesheet_Callback_1_(this, style);