public EnumSet<FailureReason> failureReasons(){
  ThreadUtils.assertOnUiThread();
  EnumSet<FailureReason> reasons=EnumSet.noneOf(FailureReason.class);
  if (!mCalled)   reasons.add(FailureReason.UPDATE_PRECACHING_ENABLED_NEVER_CALLED);
  if (!mSyncInitialized)   reasons.add(FailureReason.SYNC_NOT_INITIALIZED);
  if (!mNetworkPredictionsAllowed) {
    reasons.add(FailureReason.PRERENDER_PRIVACY_PREFERENCE_NOT_ENABLED);
  }
  if (!mShouldRun)   reasons.add(FailureReason.NATIVE_SHOULD_RUN_IS_FALSE);
  return reasons;
}

public EnumSet < FailureReason > failureReasons ( ) { ThreadUtils . assertOnUiThread ( ) ; EnumSet < FailureReason > reasons = EnumSet . noneOf ( FailureReason . class ) ; if ( ! mCalled ) reasons . add ( FailureReason . UPDATE_PRECACHING_ENABLED_NEVER_CALLED ) ; if ( ! mSyncInitialized ) reasons . add ( FailureReason . SYNC_NOT_INITIALIZED ) ; if ( ! mNetworkPredictionsAllowed ) { reasons . add ( FailureReason . PRERENDER_PRIVACY_PREFERENCE_NOT_ENABLED ) ; } if ( ! mShouldRun ) reasons . add ( FailureReason . NATIVE_SHOULD_RUN_IS_FALSE ) ; return reasons ; }
returns the set of reasons that the " precache . is_precaching_enabled " pref is false .
