1. @DomName('ConsoleBase.count')
  2. @DocsEditable()
  3. @Experimental()
void count(Object arg)

Source 

@DomName('ConsoleBase.count')
@DocsEditable()
@Experimental() // untriaged
void count(Object arg) =>
    _blink.BlinkConsoleBase.instance.count_Callback_1_(this, arg);