1. DomName('Performance.getEntriesByType')
  2. DocsEditable()
  3. Experimental()
List<PerformanceEntry> getEntriesByType(String entryType)

Source 

@DomName('Performance.getEntriesByType')
@DocsEditable()
// http://www.w3.org/TR/performance-timeline/#sec-window.performance-attribute
@Experimental()
List<PerformanceEntry> getEntriesByType(String entryType) => (_blink.BlinkPerformance.instance.getEntriesByType_Callback_1_(this, entryType));