kElevationToShadow top-level constant
Map of elevation offsets used by material design to BoxShadow definitions.
The following elevations have defined shadows: 1, 2, 3, 4, 6, 8, 9, 12, 16, 24
Each entry has three shadows which must be combined to obtain the defined effect for that elevation.
const Map<int, List<BoxShadow>> kElevationToShadow = _elevationToShadow