1. @DomName('ConsoleBase.timeline')
  2. @DocsEditable()
  3. @Experimental()
void timeline(String title)

Source 

@DomName('ConsoleBase.timeline')
@DocsEditable()
@Experimental() // untriaged
void timeline(String title) =>
    _blink.BlinkConsoleBase.instance.timeline_Callback_1_(this, title);