frame_timing library Null safety

Frame Timing

https://wicg.github.io/frame-timing/

Classes

PerformanceFrameTiming
Experimental This is an experimental technologyCheck the Browser compatibility table carefully before using this in production. is an abstract interface that provides frame timing data about the browser's event loop. A frame represents the amount of work a browser does in one event loop such as processing DOM events, resizing, scrolling, rendering, CSS animations, etc.. A frame rate of 60fps (frames per second) for a 60Hz refresh rate is the target for a good responsive user experience. This means the browser should process a frame in about 16.7ms. [...]