Export function.
Usage
export(object, dest, ...)
# S4 method for campsis_model,character
export(object, dest, ...)
# S4 method for campsis_model,rxode_type
export(object, dest, ...)
# S4 method for campsis_model,mrgsolve_type
export(object, dest, outvars = NULL, extra_params = character(0))