ModelValidator

```
public interface ModelValidator
```
Checks if model changes are allowed and model state after changes are consistent.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.Collection<ModelValidationResult>`	`validateChanges(java.util.Collection<Element> changedElements)`

- Method Detail
  - validateChanges
```
@CheckForNull
java.util.Collection<ModelValidationResult> validateChanges(java.util.Collection<Element> changedElements)
```
    Parameters:
    
    changedElements - changed elements in the model.
    
    Returns:
    
    errors if changes are invalid and not allowed.