Got this debugging another error. Filing here for reference. Original code: https://phabricator.intern.facebook.com/P59317705
import {
  recordEffect,
  recordScheduleUpdate,
  startRequestCallbackTimer,
  stopRequestCallbackTimer,
  startWorkTimer,
  stopWorkTimer,
  stopFailedWorkTimer,
  startWorkLoopTimer,
  stopWorkLoopTimer,
  startCommitTimer,
  stopCommitTimer,
  startCommitSnapshotEffectsTimer,
  stopCommitSnapshotEffectsTimer,
  startCommitHostEffectsTimer,
  stopCommitHostEffectsTimer,
  startCommitLifeCyclesTimer,
  stopCommitLifeCyclesTimer,
} from './ReactDebugFiberPerf';
import {createWorkInProgress} from './ReactFiber';
import {onCommitRoot} from './ReactFiberDevToolsHook';
import {
  NoWork,
  Sync,
  Never,
  msToExpirationTime,
  expirationTimeToMs,
  computeExpirationBucket,
} from './ReactFiberExpirationTime';
import {AsyncMode} from './ReactTypeOfMode';