BackdropFilterEngineLayer class Null safety
An opaque handle to a backdrop filter engine layer.
Instances of this class are created by SceneBuilder.pushBackdropFilter.
) → void
Release the resources used by this object. The object is no longer usable
after this method is called. [...]
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
) → String
A string representation of this object. [...]