import type { WordMetadata } from './WordMetadata';
/**
 * @internal
 * Word Desktop content has a style tag that contains data for the lists.
 * So this function query that style tag and extract the data from the innerHTML, since it is not available from the HTMLStyleElement.sheet.
 *
 * The format is like:
 * example of style element content
 * @list l0:level1 {
 * styleTag: styleValue;
 * ...
 * }
 *
 * To extract the data:
 * 1. Substring the value of the style selector, using @ index and { index
 * 2. Substring the value of the style rules by Substring the content between { and }
 * 3. Split the value of the rules using ; as separator { styleTag: styleValue; styleTag1: StyleValue1 } = ['styleTag: styleValue',  'styleTag1: StyleValue1']
 * 4. Split the value of the rule  using : as separator: styleTag: styleValue = [styleTag, styleValue]
 * 5. Save data in record and only use the required information.
 *
 */
export declare function getStyleMetadata(htmlString: string): Map<string, WordMetadata>;