@Override
      boolean isLambdaCall(PsiMethodCallExpression lambdaCall, PsiLambdaExpression lambda) {
        return ExpressionUtils.isVoidContext(lambdaCall) &&
               super.isLambdaCall(lambdaCall, lambda) &&
               DfaUtil.inferLambdaNullability(lambda) == Nullability.NOT_NULL;
      }
@Override
      boolean isLambdaCall(PsiMethodCallExpression lambdaCall, PsiLambdaExpression lambda)