nl_tokens: Initialize backoff timer with opts .
pl_tokens: function Backoff$1 ( opts ) { opts = opts || { } ; this . <mask> = opts . min || 100 ; this . max = opts . max || 10000 ; this . factor = opts . factor || 2 ; this . jitter = opts . jitter > 0 && opts . jitter <= 1 ? opts . jitter : 0 ; this . attempts = 0 ; }