PerformanceObserverCallback typedef

PerformanceObserverCallback = dynamic Function(PerformanceObserverEntryList entries, PerformanceObserver observer, [PerformanceObserverCallbackOptions? options])

Implementation

typedef PerformanceObserverCallback = Function(
    PerformanceObserverEntryList entries, PerformanceObserver observer,
    [PerformanceObserverCallbackOptions? options]);