showApply(sdkCard, showDelay, completionCallback) {
    const showDuration = 0.0;
    if (showDelay == null) { showDelay = 0.0; }

    if (sdkCard != null) {
      // stop any running animations
      this.stopAnimations();

      // TODO: use animation
      this.setSdkCard(sdkCard);
      if (_.isFunction(completionCallback)) {
        completionCallback();
      }
    }

    return showDuration;
  }
Shows the animated application of an artifact.
@param {SDK.Artifact} sdkCard
@param {Number} [showDelay=0.0]
@param {Function} [completionCallback]
@returns {Number} duration of animation