question: returns the index of this node in the whole dependency list . concode_field_sep DependencyListNode next_ concode_elem_sep QualifiedName PDL_INDEX concode_elem_sep List<String> includes_ concode_elem_sep int index_ concode_elem_sep long serialVersionUID concode_elem_sep int INDEX_STEP concode_elem_sep String fileName_ concode_elem_sep DependencyListNode previous_ concode_elem_sep IFile file_ concode_field_sep DependencyListNode getPrevious concode_elem_sep void setIndex concode_elem_sep List<String> getMacroIncludes concode_elem_sep void setNext concode_elem_sep String toString concode_elem_sep DependencyListNode getNext concode_elem_sep IFile getFile concode_elem_sep void setPrevious
target: int function ( ) { return index_ ; }