```
@Target(allowedTargets = {AnnotationTarget.FIELD, AnnotationTarget.PROPERTY}) 
public @interface RefractImmutable

                    
```
Marks a property as immutable, disallowing Prism from modifying it even if it is normally mutable. Adding this annotation to an already immutable property or at the same time as RefractMutable is considered an error.

Annotation RefractImmutable