resolve method
Return WxSheetStyle that depends on variant and severity
Implementation
WxSheetStyle resolve(WxSheetStyleResolverData data) {
final effectiveData = WxSheetStyleResolverData(
variant: effectiveStyle.variant,
size: effectiveStyle.size,
severity: effectiveStyle.severity,
).merge(data);
final fromResolver = styleResolver?.call(effectiveData);
return effectiveStyle.merge(fromResolver);
}