from static method
Implementation
static CSSBackground? from(Object? value) {
if (value == null) return null;
if (value is CSSBackground) return value;
if (value is String) return CSSBackground.parse(value);
return null;
}
static CSSBackground? from(Object? value) {
if (value == null) return null;
if (value is CSSBackground) return value;
if (value is String) return CSSBackground.parse(value);
return null;
}