private static @Nullable PsiMethodCallExpression getNextExpressionToMerge(PsiMethodCallExpression methodCallExpression) {
    PsiMethodCallExpression nextCall = ExpressionUtils.getCallForQualifier(methodCallExpression);
    if (nextCall == null) return null;
    String nextName = nextCall.getMethodExpression().getReferenceName();
    if (nextName == null || !Holder.NEXT_METHODS.contains(nextName) || translateName(methodCallExpression, nextCall) == null) return null;
    PsiExpressionList argumentList = (nextCall).getArgumentList();
    PsiExpression[] expressions = argumentList.getExpressions();
    if(expressions.length == 0) {
      if (!nextName.equals("boxed") && !nextName.equals("asLongStream") && !nextName.equals("asDoubleStream")) return null;
      return nextCall;
    }
    if (expressions.length != 1 || !StreamRefactoringUtil.isRefactoringCandidate(expressions[0], false)) return null;

    return nextCall;
  }
private static @Nullable PsiMethodCallExpression getNextExpressionToMerge(PsiMethodCallExpression methodCallExpression)