async getTemplateData (options = {}) {
    const jsdocData = await this.getJsdocData(options)
    return jsdocParse(jsdocData)
  }
Returns the template data (jsdoc-parse output) which is fed into the output template (dmd).

@param [options] {object} - Identical options to {@link module:jsdoc-to-markdown#getJsdocData}.
@return {Promise<object[]>}
@fulfil {object[]} - the json data
@category async