 
            | Expand | Expands the placeholder level based on the given context. (Inherited from IPlaceholderCommandHandler) | 
| GetResolvedStructureReferences | Provides all structure references that exist and were resolved in this placeholder level. (Inherited from IPlaceholderCommandHandler) | 
| Init | Initializes the handler for a specific placeholder level. (Inherited from IPlaceholderCommandHandler) |