createNullableStringProperty method Null safety
Short hand helper function for initializing an EmpireNullableStringProperty.
See EmpireProperty for propertyName
usages.
Example
late final EmpireNullableStringProperty name;
name = createNullableStringProperty();
Implementation
EmpireNullableStringProperty createNullableStringProperty(
{String? value, String? propertyName}) {
return EmpireNullableStringProperty(value, this,
propertyName: propertyName);
}