@Override
    public boolean visitExitPoint(Instruction instruction,
                                  @Nullable GrExpression returnValue) {
      final PsiElement element = instruction.getElement();
      if ((statementFilter != null && statementFilter.isInstance(element)) || (instructionFilter != null && instructionFilter.isInstance(instruction))) {
        collector.add((GrStatement)element);
      }
      return true;
    }
@Override
    public boolean visitExitPoint(Instruction instruction,
                                  @Nullable GrExpression returnValue)