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