https://github.com/dart-lang/sdk/blob/c2301ae2ef4c5dffed48558703c1b1f06fa6316f/pkg/analyzer/messages.yaml#L18184 I think the rest of this sentence got cut off: > The analyzer also produces this diagnostic when the value of the `exceptionalReturn` argument of `Pointer.fromFunction` or `NativeCallable.isolateLocal`. "...when the value of ... or ..." when those values do what?