public static Set<Statement> getUniquePredExceptions(Statement head) {
    Set<Statement> setHandlers = new HashSet<>(head.getNeighbours(EdgeType.EXCEPTION, EdgeDirection.FORWARD));
    setHandlers.removeIf(statement -> statement.getPredecessorEdges(EdgeType.EXCEPTION).size() > 1);
    return setHandlers;
  }
public static Set<Statement> getUniquePredExceptions(Statement head)