callbacks library Null safety

Typedefs

AnimatorInstanceConstructor = dynamic Function(dynamic options, [dynamic state])
AudioDataOutputCallback = dynamic Function(AudioData output)
AudioWorkletProcessCallback = dynamic Function(Iterable<Iterable<Float32List>> inputs, Iterable<Iterable<Float32List>> outputs, dynamic parameters)
AudioWorkletProcessorConstructor = dynamic Function(dynamic options)
BlobCallback = dynamic Function(Blob? blob)
ClipboardItemDelayedCallback = dynamic Function()
CreateHTMLCallback = dynamic Function(String input, [dynamic arguments])
CreateScriptCallback = dynamic Function(String input, [dynamic arguments])
CreateScriptURLCallback = dynamic Function(String input, [dynamic arguments])
CustomElementConstructor = dynamic Function()
DecodeErrorCallback = dynamic Function(Exception error)
DecodeSuccessCallback = dynamic Function(AudioBuffer decodedData)
EffectCallback = dynamic Function(double? progress, dynamic currentTarget, Animation animation)
EncodedAudioChunkOutputCallback = dynamic Function(EncodedAudioChunk output, [EncodedAudioChunkMetadata? metadata])
EncodedVideoChunkOutputCallback = dynamic Function(EncodedVideoChunk chunk, [EncodedVideoChunkMetadata? metadata])
ErrorCallback = dynamic Function(Exception err)
EventHandlerNonNull = dynamic Function(Event event)
FileCallback = dynamic Function(File file)
FileSystemEntriesCallback = dynamic Function(Iterable<FileSystemEntry> entries)
FileSystemEntryCallback = dynamic Function(FileSystemEntry entry)
fnFunction = dynamic Function([dynamic arguments])
@JS('Function')
FrameRequestCallback = dynamic Function(double time)
FunctionStringCallback = dynamic Function(String data)
GenerateAssertionCallback = dynamic Function(String contents, String origin, RTCIdentityProviderOptions options)
IdleRequestCallback = dynamic Function(IdleDeadline deadline)
IntersectionObserverCallback = dynamic Function(Iterable<IntersectionObserverEntry> entries, IntersectionObserver observer)
LockGrantedCallback = dynamic Function(Lock? lock)
MediaSessionActionHandler = dynamic Function(MediaSessionActionDetails details)
MIDISuccessCallback = dynamic Function(MIDIAccess access, MIDIOptions options)
MutationCallback = dynamic Function(Iterable<MutationRecord> mutations, MutationObserver observer)
NotificationPermissionCallback = dynamic Function(NotificationPermission permission)
OnBeforeUnloadEventHandlerNonNull = dynamic Function(Event event)
OnErrorEventHandlerNonNull = dynamic Function(dynamic event, [String? source, int? lineno, int? colno, dynamic error])
PerformanceObserverCallback = dynamic Function(PerformanceObserverEntryList entries, PerformanceObserver observer, [PerformanceObserverCallbackOptions? options])
PositionCallback = dynamic Function(GeolocationPosition position)
PositionErrorCallback = dynamic Function(GeolocationPositionError positionError)
QueuingStrategySize = dynamic Function([dynamic chunk])
RemotePlaybackAvailabilityCallback = dynamic Function(bool available)
ReportingObserverCallback = dynamic Function(Iterable<Report> reports, ReportingObserver observer)
ResizeObserverCallback = dynamic Function(Iterable<ResizeObserverEntry> entries, ResizeObserver observer)
RTCPeerConnectionErrorCallback = dynamic Function(Exception error)
RTCSessionDescriptionCallback = dynamic Function(RTCSessionDescriptionInit description)
SchedulerPostTaskCallback = dynamic Function()
TransformerFlushCallback = dynamic Function(TransformStreamDefaultController controller)
TransformerStartCallback = dynamic Function(TransformStreamDefaultController controller)
TransformerTransformCallback = dynamic Function(dynamic chunk, TransformStreamDefaultController controller)
UnderlyingSinkAbortCallback = dynamic Function([dynamic reason])
UnderlyingSinkCloseCallback = dynamic Function()
UnderlyingSinkStartCallback = dynamic Function(WritableStreamDefaultController controller)
UnderlyingSinkWriteCallback = dynamic Function(dynamic chunk, WritableStreamDefaultController controller)
UnderlyingSourceCancelCallback = dynamic Function([dynamic reason])
UnderlyingSourcePullCallback = dynamic Function(dynamic controller)
UnderlyingSourceStartCallback = dynamic Function(dynamic controller)
ValidateAssertionCallback = dynamic Function(String assertion, String origin)
VideoFrameOutputCallback = dynamic Function(VideoFrame output)
VideoFrameRequestCallback = dynamic Function(double now, VideoFrameMetadata metadata)
VoidFunction = dynamic Function()
WebCodecsErrorCallback = dynamic Function(Exception error)
XRFrameRequestCallback = dynamic Function(double time, XRFrame frame)