multipleFormsState property
A map linking each form field AFMultipleFormField to its counterpart
AFMultipleFormFieldWidgetState
instance.
The AFMultipleFormFieldWidgetState
exposes a save method which when
called, validate the data and saves it (if valid) inside the value attribute
of the AFMultipleFormField object.
Implementation
final Map<String, GlobalKey<AFMultipleFormFieldWidgetState>>
multipleFormsState = {};