| Interface | Description | 
|---|---|
| IConfigurableNode | 
 The interface of configurable specification tree node - is used for tree configuration. 
 | 
| IConfigurableNode.Position | 
 Position to insert child node 
 | 
| ISpecificationNode | 
 The interface of specification tree node. 
 | 
| Class | Description | 
|---|---|
| ConfigurableNodeFactory | 
 Specification tree node factory. 
 |