Retry.Circuit: type of bend-kit-retry@0.3.0.0
Import: import bend-kit-retry@0.3.0.0/retry.bend as Retry
Lines 19-22 of bend-kit-retry@0.3.0.0/retry.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-retry@0.3.0.0/retry.bend&start_line=19&end_line=22

import Base

# threshold: failures in a row, each inside window ms of the newest, that open the circuit. cooldown: ms it stays open.
# probes: attempts allowed at once while half-open.
type Circuit is Data:
  Circuit{threshold: Nat, window: Nat, cooldown: Nat, probes: Nat}

Uses (1):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat