WidgetInstancePermissionService (cockpitng 20.05.0-RC3 API)

```
public interface WidgetInstancePermissionService
```
Service delivering user permissions for widget instances.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`canCreateInstance(Widget widget, WidgetInstance parentInstance)`	Checks if it is possible to create a new instance of the given widget as a child of the given parent instance according to rules.
`boolean`	`canRemoveInstance(WidgetInstance instance)`	Checks if it is possible to remove given widget instance of the given widget according to rules.

- Method Detail
  - canCreateInstance
```
boolean canCreateInstance(Widget widget,
                          WidgetInstance parentInstance)
```
    Checks if it is possible to create a new instance of the given widget as a child of the given parent instance according to rules.
    
    Parameters:
    
    widget - the widget to create instances for
    
    parentInstance - the parent instance of the to-be-created instance
    
    Returns:
    
    true if possible to create new instance according to rules of false otherwise
  - canRemoveInstance
```
boolean canRemoveInstance(WidgetInstance instance)
```
    Checks if it is possible to remove given widget instance of the given widget according to rules.
    
    Parameters:
    
    instance - the widget instance to be removed
    
    Returns:
    
    true if possible to remove the instance according to rules of false otherwise