Default settings class.
engineSimulation engine: 'rxode2' or 'mrgsolve'.
Default is NULL (unspecified). If NULL, 'mrgsolve' is used first
(if installed), followed by 'rxode2' (if installed).
seedrandom seed number, integer
replicatesnumber of replicates, integer
outvarsoutput variables, character vector
outfunsoutput functions, outfuns object
disabled_variabilitiesvariabilities to disable in the simulation, character vector
dosingoutput dosing information, logical