org.eclipse.xtext.nodemodel.impl
Classes 
AbstractNode
BasicNodeIterable
BasicNodeIterator
BasicNodeTreeIterator
CompositeNode
CompositeNodeWithSemanticElement
CompositeNodeWithSemanticElementAndSyntaxError
CompositeNodeWithSyntaxError
HiddenLeafNode
HiddenLeafNodeWithSyntaxError
InvariantChecker
LeafNode
LeafNodeWithSyntaxError
NodeModelBuilder
RootNode
SyntheticCompositeNode
Exceptions 
InvariantChecker.InconsistentNodeModelException