tileMode property
How this LinearSteps should tile the plane beyond
the region before begin and after end.
For details, see TileMode.

Copied from LinearGradient.
Implementation
final TileMode tileMode;
How this LinearSteps should tile the plane beyond
the region before begin and after end.
For details, see TileMode.

Copied from LinearGradient.
final TileMode tileMode;