How to use the @polymer/polymer/lib/utils/render-status.js.afterNextRender function in @polymer/polymer

connectedCallback() {
    super.connectedCallback();
    autorun(reaction => {
      this.editMode = toJS(store.editMode);
      this.__disposer.push(reaction);
    });
    autorun(reaction => {
      this.manifest = toJS(store.manifest);
      this.__disposer.push(reaction);
    });
    afterNextRender(this, function() {
      // minor timing thing to ensure store has picked active
      // needed if routes set on first paint or lifecycles miss
      setTimeout(() => {
        autorun(reaction => {
          this.activeId = toJS(store.activeId);
          this.__disposer.push(reaction);
        });
      }, 250);
    });
  }
  disconnectedCallback() {

connectedCallback() {
    super.connectedCallback();
    afterNextRender(this, function() {
      this.shadowRoot
        .querySelector("#audio")
        .addEventListener("loadedmetadata", this._onCanPlay.bind(this));
      this.shadowRoot
        .querySelector("#audio")
        .addEventListener("playing", this._onPlaying.bind(this));
      this.shadowRoot
        .querySelector("#audio")
        .addEventListener("pause", this._onPause.bind(this));
      this.shadowRoot
        .querySelector("#audio")
        .addEventListener("ended", this._onEnd.bind(this));
      this.shadowRoot
        .querySelector("#audio")
        .addEventListener("error", this._onError.bind(this));
    });

constructor() {
    super();
    import("@lrnwebcomponents/user-action/user-action.js");
    import("@polymer/iron-image/iron-image.js");
    import("@polymer/paper-slider/paper-slider.js");
    afterNextRender(this, function() {
      this.HAXWiring = new HAXWiring();
      this.HAXWiring.setup(
        ImageCompareSlider.haxProperties,
        ImageCompareSlider.tag,
        this
      );
    });
  }
  static get template() {

constructor() {
    super();
    afterNextRender(this, function() {
      this.HAXWiring = new HAXWiring();
      this.HAXWiring.setup(SimpleImage.haxProperties, SimpleImage.tag, this);
    });
  }
  static get template() {

_schemaChanged() {
    //make sure the content is there first
    afterNextRender(this, () => {
      let itemLabel = this.schema.items.itemLabel;
      if (this.schema && Array.isArray(this.schema.value)) {
        this.schema.value.forEach(val => {
          this.push("__headings", val[itemLabel]);
        });
      }
      this.shadowRoot.querySelectorAll(".item-fields").forEach(item => {
        let index = item.getAttribute("data-index"),
          propertyName = `${this.propertyPrefix}${this.propertyName}`,
          prefix = `${propertyName}.${index}`,
          //path = `${propertyName}.properties.${index}`,
          val = this.schema.value[index];
        //for each array item, request the fields frrom eco-json-schema-object
        this.dispatchEvent(
          new CustomEvent("build-fieldset", {
            bubbles: false,

ready() {
    super.ready();
    afterNextRender(this, function() {
      const iconSets = new IronMeta({ type: "iconset" });
      if (
        this.icons.length === 0 &&
        typeof iconSets !== typeof undefined &&
        iconSets.list &&
        iconSets.list.length
      ) {
        var iconList = [];
        iconSets.list.forEach(function(item) {
          item.getIconNames().forEach(icon => {
            iconList.push(icon);
          });
        });
        this.__iconList = iconList;
      }
    });

constructor() {
    super();
    import("@lrnwebcomponents/simple-concept-network/lib/simple-concept-network-node.js");
    afterNextRender(this, function() {
      this.HAXWiring = new HAXWiring();
      this.HAXWiring.setup(
        SimpleConceptNetwork.haxProperties,
        SimpleConceptNetwork.tag,
        this
      );
    });
  }
  static get template() {

ready() {
    super.ready();
    afterNextRender(this, function() {
      this.addEventListener("mousedown", this.tapEventOn.bind(this));
      this.addEventListener("mouseover", this.tapEventOn.bind(this));
      this.addEventListener("mouseout", this.tapEventOff.bind(this));
      this.$.button.addEventListener(
        "focused-changed",
        this.focusToggle.bind(this)
      );
    });
  }
  connectedCallback() {

_editComment() {
      this._setEditing(true);
      afterNextRender(this, function() {
        this.$$('#inputContainer').focus();
      });
    }