\begin{Schunk}
\begin{Sinput}
 library(lavaan)
 methods::formalArgs(sem)
\end{Sinput}
\begin{Soutput}
 [1] "model"       "data"        "ordered"     "sample.cov"  "sample.mean" "sample.nobs"
 [7] "group"       "cluster"     "constraints" "WLS.V"       "NACOV"       "..."        
\end{Soutput}
\end{Schunk}
