borderSetForeground method
Implementation
Border borderSetForeground(){
return Border(
left: _borderLeftForeground ? borderSideSetForeground() : BorderSide.none,
top: _borderTopForeground ? borderSideSetForeground() : BorderSide.none,
right: _borderRightForeground ? borderSideSetForeground() : BorderSide.none,
bottom: _borderBottomForeground ? borderSideSetForeground() : BorderSide.none,
);
}