doRescan_() {
    this.logger_.fine('Start app status scan (timer-based)');
    this.timeoutId_ = null;
    this.doScan_();
  }
/**
   * Clears the timer and starts a round of scanning. Only valid when called
   * from a timer.
   * @private
   */
Clears the timer and starts a round of scanning. Only valid when called
from a timer.
@private
Clears the timer and starts a round of scanning . Only valid when called from a timer . @private
doRescan_() {
    this.logger_.fine('Start app status scan (timer-based)');
    this.timeoutId_ = null;
    this.doScan_();
  }
doRescan_ ( ) { this . logger_ . fine ( 'Start app status scan (timer-based)' ) ; this . timeoutId_ = null ; this . doScan_ ( ) ; }
Clears the timer and starts a round of scanning.
Clears the timer and starts a round of scanning .