utils library
Constants
- exportFrameKey → const Key
 - The key used to identify the ExportFrame in the widget tree.
 
Functions
- 
  extractExportFrame(
Element element) → Element?  - 
  Extracts the ExportFrame as Element from the provided 
element. ExportFrame is identified by checking if the widget contains the exportFrameKey. - 
  findElement<
T> (BuildContext context, bool compare(T)) → Element?  - 
  Finds the first Element in the provided 
contextthat matches the providedcomparefunction. - 
  findFirstDescendantElement<
T> (Element element) → Element?  - 
  Finds the first descendant Element of the provided 
elementof typeT. - 
  layoutWidget(
Widget widget, Size size, double? pixelRatio) → Element?  - 
  Lays out the provided 
widgetin a view ofsizeand returns it as Element.