Register a named SaveData provider for use by RunWorkflow() and
RunWorkflows(). Registered providers can be referenced from
lConfig$SaveData with a single character string.
Registered save providers must accept lWorkflow and lConfig as named
formals.
Examples
if (FALSE) { # \dontrun{
register_save_provider(
"example.save",
function(lWorkflow, lConfig) invisible(NULL)
)
} # }