ExpansionPanelHeaderBuilder typedef
Signature for the callback that's called when the header of the ExpansionPanel needs to rebuild.
Implementation
typedef ExpansionPanelHeaderBuilder = Widget Function(BuildContext context, bool isExpanded);
Signature for the callback that's called when the header of the ExpansionPanel needs to rebuild.
typedef ExpansionPanelHeaderBuilder = Widget Function(BuildContext context, bool isExpanded);