AmwgStepper
import { AmwgStepper } from "https://git.sr.ht/~ruivieira/deno-experiments/blob/master/bayesjs/mcmc.ts";class AmwgStepper extends Stepper { }
constructor(
params: any,
state: any,
log_post: Function,
options: any,
);param_names: any;
substeppers: any;
info();
start_adaptation();
step();
stop_adaptation();