merge method
Implementation
SBBSliderStyle merge(SBBSliderStyle? other) {
if (this == null) return other ?? SBBSliderStyle();
return this!.copyWith(
activeTrackColor: this!.activeTrackColor ?? other?.activeTrackColor,
inactiveTrackColor: this!.inactiveTrackColor ?? other?.inactiveTrackColor,
thumbColor: this!.thumbColor ?? other?.thumbColor,
thumbBorderColor: this!.thumbBorderColor ?? other?.thumbBorderColor,
iconColor: this!.iconColor ?? other?.iconColor,
disabledIconColor: this!.disabledIconColor ?? other?.disabledIconColor,
);
}