<itemvalue="Removes the topmost Flutter instance, presenting what was before it. On Android, removes this activity from the stack and returns to the previous activity. On iOS, calls `popViewControllerAnimated:` if the root view controller is a `UINavigationController`, or `dismissViewControllerAnimated:completion:` if the top view controller is a `FlutterViewController`. The optional `animated` parameter is ignored on all platforms except iOS where it is an argument to the aforementioned methods. This method should be preferred over calling `dart:io`'s [exit] method, as the latter may cause the underlying platform to act as if the application had crashed."/>
<itemvalue="'Focus.of() was called with a context that does not contain a Focus between the given ' 'context and the nearest FocusScope widget.\n' 'No Focus ancestor could be found starting from the context that was passed to ' 'Focus.of() to the point where it found the nearest FocusScope widget. This can happen ' 'because you are using a widget that looks for a Focus ancestor, and do not have a ' 'Focus widget ancestor in the current FocusScope.\n' 'The context used was:\n'"/>
<itemvalue="Note: When compiling to JavaScript, integers are restricted to values that can be represented exactly by double-precision floating point values. The available integer values include all integers between -2^53 and 2^53, and some integers with larger magnitude. That includes some integers larger than 2^63."/>