code: def full_content_of_default_html_template():
      return PackedDataUtils.get_packaged_html_template_content(
          DEFAULT_HTML_VIZ_FILE_NAME
      )
  
imports: import pkgutil
  from typing import Tuple
  from scattertext.Common import DEFAULT_D3_URL, DEFAULT_D3_SCALE_CHROMATIC, DEFAULT_HTML_VIZ_FILE_NAME, AUTOCOMPLETE_CSS_FILE_NAME, SEARCH_FORM_FILE_NAME
  from scattertext.viz.ScatterplotStructure import InvalidProtocolException
label_desc: Use image node_id 1 for calling the PackedDataUtils obj's underlying member method code with example usage: obj.full_content_of_default_html_template() and returns: PackedDataUtils