How to use the @lrnwebcomponents/utils/utils.js.findTagsInHTML function in @lrnwebcomponents/utils

if (store.themeElement.childNodes.length === 0) {
            let frag = document.createRange().createContextualFragment(html);
            store.themeElement.appendChild(frag);
            this.dispatchEvent(
              new CustomEvent("json-outline-schema-active-body-changed", {
                bubbles: true,
                composed: true,
                cancelable: false,
                detail: html
              })
            );
          }
        }, 5);
        // if there are, dynamically import them
        if (varExists(this.manifest, "metadata.node.dynamicElementLoader")) {
          let tagsFound = findTagsInHTML(html);
          const basePath = this.pathFromUrl(
            decodeURIComponent(import.meta.url)
          );
          for (var i in tagsFound) {
            const tagName = tagsFound[i];
            if (
              this.manifest.metadata.node.dynamicElementLoader[tagName] &&
              !window.customElements.get(tagName)
            ) {
              import(`${basePath}../../../../${
                this.manifest.metadata.node.dynamicElementLoader[tagName]
              }`)
                .then(response => {
                  // useful to debug if dynamic references are coming in
                  //console.log(tagName + ' dynamic import');
                })

let frag = document.createRange().createContextualFragment(html);
            this.appendChild(frag);
            const evt = new CustomEvent(
              "json-outline-schema-active-body-changed",
              {
                bubbles: true,
                composed: true,
                cancelable: false,
                detail: { html }
              }
            );
          }, 5);
        });
        // if there are, dynamically import them
        if (varExists(this.manifest, "metadata.node.dynamicElementLoader")) {
          let tagsFound = findTagsInHTML(html);
          const basePath = this.pathFromUrl(
            decodeURIComponent(import.meta.url)
          );
          for (var i in tagsFound) {
            const tagName = tagsFound[i];
            if (
              this.manifest.metadata.node.dynamicElementLoader[tagName] &&
              !window.customElements.get(tagName)
            ) {
              import(`${basePath}../../../../../${
                this.manifest.metadata.node.dynamicElementLoader[tagName]
              }`)
                .then(response => {
                  //console.log(tagName + ' dynamic import');
                })
                .catch(error => {

if (newValue) {
      var html = newValue;
      // only append if not empty
      if (html !== null) {
        html = encapScript(newValue);
        wipeSlot(this, "*");
        // insert the content as quickly as possible, then work on the dynamic imports
        microTask.run(() => {
          setTimeout(() => {
            let frag = document.createRange().createContextualFragment(html);
            this.appendChild(frag);
          }, 5);
        });
        // if there are, dynamically import them
        if (varExists(this.manifest, "metadata.node.dynamicElementLoader")) {
          let tagsFound = findTagsInHTML(html);
          const basePath = this.pathFromUrl(
            decodeURIComponent(import.meta.url)
          );
          for (var i in tagsFound) {
            const tagName = tagsFound[i];
            if (
              this.manifest.metadata.node.dynamicElementLoader[tagName] &&
              !window.customElements.get(tagName)
            ) {
              import(`${basePath}../../../../../${
                this.manifest.metadata.node.dynamicElementLoader[tagName]
              }`)
                .then(response => {
                  //console.log(tagName + ' dynamic import');
                })
                .catch(error => {