timePickerDialogRadius property
Border radius value for TimePickerDialog.
Specifying this border radius value for the TimePickerDialog overrides the default shared via general dialogRadius, and any platform adaptive border radius dialogRadiusAdaptive it might be specified to use. It also overrides getting impacted by border radius specified by defaultRadius or any adaptive version used via defaultRadiusAdaptive.
If not defined, defaults to dialogRadius or dialogRadiusAdaptive
depending on adaptiveDialogRadius setting, if neither of them are
defined, and global defaultRadius is undefined, which may also be
platform dependent via adaptiveRadius to defaultRadiusAdaptive, then
the default value is kDialogRadius
28dp, based on M3 Specification
https://m3.material.io/components/dialogs/specs
Implementation
final double? timePickerDialogRadius;