import { Token } from '../prism/index';
import { Extension } from '..';
/**
 * Tuple containing in the following order:
 * - The tag's `Token`
 * - Its starting position
 * - Its ending position
 * - Its tag name
 * - Whether it's a closing tag
 * - Whether it isn't self-closing
 */
export type Tag = [Token, number, number, string, boolean, boolean];
export interface TagMatcher {
    /**
     * Array of tuples containing in the following order:
     * - The tag's `Token`
     * - Its starting position
     * - Its ending position
     * - Its tag name
     * - Whether it's a closing tag
     * - Whether it isn't self-closing
     */
    readonly tags: Tag[];
    /** Array mapping the index of a tag to the index of its matching tag. */
    readonly pairs: (number | undefined)[];
}
/**
 * Extension that traverses the tokens and matches tags together.
 * Used by {@link highlightMatchingTags} and {@link highlightTagPunctuation}
 */
declare const matchTags: () => Extension;
/**
 * Extension that adds an `active-tagname` class to matching HTML/XML/JSX tags when the
 * cursor is on either tag. It's required to have the {@link matchTags} extension for this
 * to work. Use the CSS selector `.active-tagname` to style the elements.
 */
declare const highlightMatchingTags: () => Extension;
/**
 * Extension that highlights `<` and `>` punctuation in XML tags.
 * It's required to have the {@link matchTags} extension for this to work.
 * @param className Class added to the active punctuation you can use to style them with CSS.
 * @param alwaysHighlight If true, the punctuation will always be highlighted when the cursor
 * is inside a tag. If not it will only be highlighted when the cursor is on the punctuation.
 */
declare const highlightTagPunctuation: (className: string, alwaysHighlight?: boolean) => Extension;
export { matchTags, highlightTagPunctuation, highlightMatchingTags };