generates a simple exemplar of this class to test serialization . concode_field_sep long serialVersionUID concode_elem_sep int FORBIDDEN concode_elem_sep Set<String> fromGroup concode_elem_sep int type concode_elem_sep int REQUIRED concode_elem_sep Set<String> toGroup concode_field_sep Set<String> getToVariables concode_elem_sep Set<String> getFromVariables concode_elem_sep boolean containsEdge concode_elem_sep boolean intersect concode_elem_sep int getType concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep boolean isEmpty concode_elem_sep boolean isConflict concode_elem_sep List<KnowledgeEdge> getEdges concode_elem_sep void readObject
KnowledgeGroup function ( ) { return new KnowledgeGroup ( REQUIRED , new HashSet < String > ( 0 ) , new HashSet < String > ( 0 ) ) ; }