question: the root node in the resource . may be null . concode_field_sep ITextViewer viewer concode_elem_sep String selectedText concode_elem_sep int offset concode_elem_sep XtextResource resource concode_elem_sep String prefix concode_elem_sep INode currentNode concode_elem_sep List<AbstractElement> mutableFirstSetGrammarElements concode_elem_sep EObject previousModel concode_elem_sep PrefixMatcher matcher concode_elem_sep ICompositeNode rootNode concode_elem_sep INode lastCompleteNode concode_elem_sep EObject rootModel concode_elem_sep Region replaceRegion concode_elem_sep ImmutableList<AbstractElement> firstSetGrammarElements concode_elem_sep ContentAssistContext[] EMPTY_ARRAY concode_elem_sep Integer replaceContextLength concode_elem_sep ContentAssistContext context concode_elem_sep boolean contextQueried concode_elem_sep EObject currentModel concode_elem_sep Provider<Builder> builderProvider concode_field_sep String getSelectedText concode_elem_sep Builder setSelectedText concode_elem_sep EObject getPreviousModel concode_elem_sep XtextResource getResource concode_elem_sep int getOffset concode_elem_sep Builder setLastCompleteNode concode_elem_sep Builder setViewer concode_elem_sep INode getCurrentNode concode_elem_sep Region getReplaceRegion concode_elem_sep Builder setCurrentNode concode_elem_sep Builder setOffset concode_elem_sep ContentAssistContext get concode_elem_sep PrefixMatcher getMatcher concode_elem_sep Builder setRootNode concode_elem_sep ContentAssistContext[] create concode_elem_sep ContentAssistContext[] create concode_elem_sep INode getLastCompleteNode concode_elem_sep ContentAssistContext.Builder copy concode_elem_sep ContentAssistContext toContext concode_elem_sep ITextViewer getViewer concode_elem_sep String getPrefix concode_elem_sep Builder setPreviousModel concode_elem_sep IDocument getDocument concode_elem_sep EObject getCurrentModel concode_elem_sep void assertCanModify concode_elem_sep Builder setMatcher concode_elem_sep ImmutableList<AbstractElement> getFirstSetGrammarElements concode_elem_sep Builder setResource concode_elem_sep void copyFrom concode_elem_sep void accept concode_elem_sep EObject getRootModel concode_elem_sep Builder setReplaceRegion concode_elem_sep Builder setPrefix concode_elem_sep int getReplaceContextLength concode_elem_sep Builder setRootModel concode_elem_sep Builder setCurrentModel
target: ICompositeNode function ( ) { return rootNode ; }