| class  | AbstractDirectPartialModelNode | A partial model node directly corresponding to a comparison model node. | 
| class  | AbstractEqualNodeWithChildren | Equal partial node with children where objects are not assumed to be changed during the merge process. | 
| class  | AbstractNodeWithLabels | Abstract partial model node with fixed labels and comparison information. | 
| class  | AbstractNodeWithLabelsAndChildren | A partial model node with labels and a list of child nodes. | 
| class  | AbstractPartialModelNode | An abstract partial model without children. | 
| class  | AbstractPartialModelNodeWithChildren | An abstract partial model node with child nodes and a status. | 
| class  | EmfFeatureNodeWithChildren | An expandable partial model node corresponding to a EMF structural feature. | 
| class  | EmfFeatureTerminalNode | A terminal (non-expandable) partial model node corresponding to a EMF structural feature. | 
| class  | EqualEmfFeatureNodeWithChildren | An expandable equal partial model node corresponding to a EMF structural feature. | 
| class  | EqualEmfFeatureTerminalNode | A terminal (non-expandable) equal partial model node corresponding to a EMF structural feature. | 
| class  | EqualListElementNodeWithChildren | A list element equal partial model node. | 
| class  | EqualListElementTerminalNode | A terminal list element equal partial model node. | 
| class  | EqualReferenceListElementTerminalNode | Terminal equal node for model objects stored by references. | 
| class  | ExternalPropertyPartialModelNode | A direct node representing an external property of an EMF object. | 
| class  | ListElementNodeWithChildren | A list element partial model node with children. | 
| class  | ListElementTerminalNode | A terminal list element partial model node. | 
| class  | ProjectPartialModelNode | The root project node of the partial model. | 
| class  | RootPartialModelNode | The root node of the comparison tree. | 
| class  | VirtualFolderPartialModelNode | A partial model node representing a virtual folder. |