merge method
Implementation
@override
UITextButtonThemeData merge(covariant UITextButtonThemeData? other) {
return UITextButtonThemeData(
spacing: other?.spacing ?? spacing,
foregroundColor: other?.foregroundColor ?? foregroundColor,
textStyle: other?.textStyle ?? textStyle,
leftSuffixIcon: other?.leftSuffixIcon ?? leftSuffixIcon,
rightSuffixIcon: other?.rightSuffixIcon ?? rightSuffixIcon,
loadingThemeData: other?.loadingThemeData ?? loadingThemeData,
fontFamily: other?.fontFamily ?? fontFamily,
);
}