enumitem, is possible to put "series=" in \setlist?

Question

I define own list, for example mylist. For some reason I like to name it with series, for example as series=ML for resuming purposes: resume=ML. Adding this locally, for example as in the following MWE, this works as expected:

\documentclass{article}
\usepackage{enumitem}
\newlist{mylist}{enumerate}{2}
\setlist[mylist,1]{leftmargin=*,label=\arabic*.}
\setlist[mylist,2]{nosep, leftmargin=*, label=(\alph*)}

\begin{document}
    \begin{minipage}{\linewidth} % simulate new environment 
                                 % where I like incorporate mylist with
                                 % \mylist ... \endmylist
\begin{mylist}[series=ML, resume=ML]
   \item    example A
   \begin{mylist}
       \item    sub example A1
       \item    sub example A2
    \end{mylist}
\end{mylist}
    \end{minipage}

    \bigskip
    \begin{minipage}{\linewidth}
\begin{mylist}[series=ML, resume=ML]
   \item    example B
   \begin{mylist}
       \item    sub example B1
       \item    sub example B2
    \end{mylist}
\end{mylist}
    \end{minipage}
\end{document}

However, if I move series=ML, resume=ML from option of mylist to \setlist like:

\documentclass{article}
\usepackage{enumitem}
\newlist{mylist}{enumerate}{2}
\setlist[mylist,1]{leftmargin=*,label=\arabic*.,
                   series=ML, resume=ML  % <---
                   }
\setlist[mylist,2]{nosep, leftmargin=*, label=(\alph*)}

\begin{document}
    \begin{minipage}{\linewidth}
\begin{mylist}
   \item    example A
   \begin{mylist}
       \item    sub example A1
       \item    sub example A2
    \end{mylist}
\end{mylist}
    \end{minipage}

    \bigskip
    \begin{minipage}{\linewidth}
\begin{mylist}
   \item    example B
   \begin{mylist}
       \item    sub example B1
       \item    sub example B2
    \end{mylist}
\end{mylist}
    \end{minipage}
\end{document}

it trow the error:

! Package enumitem Error: Misplaced key 'series'.

Interestingly, if I after than forced compilation, I get desired result.

In enumitem documentation (I use version 3.9 from 2019/06/20) is nowhere described that series in \setlist is not allowed, but all examples of its use are as it is shown in the first MWE.

Do anyone know, how to convinced enumitem that will work in second MWE without error?

Edit: After correcting errors in my MWE (added missed \begin{minipage} and \end{minipage) accidental I discover that removing series from list definition in the second example gives desired result:

\usepackage{enumitem}
\newlist{mylist}{enumerate}{2}
\setlist[mylist,1]{resume=ML  % <---
                   leftmargin=*, label=\arabic*, after=\vspace*{-0.5\baselineskip}
                   }
\setlist[mylist,2]{nosep, leftmargin=*, label=(\alph*)}

Answer 1

Just adding \setlist[mylist]{resume} at the initial declaration works fine. Series is not necessary here.

\documentclass{article}
\usepackage{enumitem}
\usepackage{lipsum}
\newlist{mylist}{enumerate}{2}
\setlist[mylist]{resume}% <=================
\setlist[mylist,1]{leftmargin=*,label=\arabic*.}
\setlist[mylist,2]{nosep, leftmargin=*, label=(\alph*)}
\begin{document}
\lipsum[1][1-3]
    \begin{mylist}
        \item    example A
        \begin{mylist}
            \item    sub example A1
            \item    sub example A2
        \end{mylist}
    \end{mylist}
\lipsum[1-2][1-3]
    \begin{mylist}
        \item    example B
            \begin{mylist}
                \item    sub example B1
                \item    sub example B2
            \end{mylist} 
        \lipsum[1][1-3]
        \begin{mylist}
            \item    sub example B1
            \item    sub example B2
        \end{mylist}
    \end{mylist} 
\end{document}