bottomNavbarGlassRefractionValue property
Default value for bottomNavbarGlassRefraction, in percent.
This has no CSS variable because an SVG filter cannot read one: 100 is
the default displacement, and 0 leaves the bar frosted.
Implementation
@override
double get bottomNavbarGlassRefractionValue =>
component?.bottomNavbarGlassRefraction ??
super.bottomNavbarGlassRefractionValue;