code: function configureHtmlCodeSniffer() {
  			if (options.rules.length && options.standard !== 'Section508') {
  				for (const rule of options.rules) {
  					if (window.HTMLCS_WCAG2AAA.sniffs.includes(rule)) {
  						window[`HTMLCS_${options.standard}`].sniffs[0].include.push(rule);
  					} else {
  						throw new Error(`${rule} is not a valid WCAG 2.0 rule`);
  					}
  				}
  			}
  		}
docs: Configure HTML CodeSniffer.
  @private
  @returns {Undefined} Returns nothing.