type LinkMarkupRuleData = {
    title?: string;
    href: string;
};
export declare const LINK_REGEXP: import("../../util/regexp.js").NamedRegExp<LinkMarkupRuleData>;
/**
 * Markdown-style link.
 * - Link in standard Markdown format, e.g. `[Google Maps](http://google.com/maps)`
 * - If no title is specified a cleaned up version of the URL will be used, e.g. `google.com/maps`
 * - Does not need space before/after the link.
 * - If link is not valid (using `new URL(url)` then unparsed text will be returned.
 * - For security only `http://` or `https://` links will work (if invalid the unparsed text will be returned).
 */
export declare const LINK_RULE: import("../util/rule.js").MarkupRule;
export declare const AUTOLINK_REGEXP: import("../../util/regexp.js").NamedRegExp<LinkMarkupRuleData>;
/**
 * Autolinked URL starts with `scheme://` (any scheme in `options.schemes`) and matches an unlimited number of non-space characters.
 * - If followed by space and then text in `()` round or `[]` square brackets that will be used as the title, e.g. `http://google.com/maps (Google Maps)` or `http://google.com/maps [Google Maps]` (this syntax is from Todoist and maybe other things too).
 * - If no title is specified a cleaned up version of the URL will be used, e.g. `google.com/maps`
 * - If link is not valid (using `new URL(url)` then unparsed text will be returned.
 * - For security only schemes that appear in `options.schemes` will match (defaults to `http:` and `https:`).
 */
export declare const AUTOLINK_RULE: import("../util/rule.js").MarkupRule;
export {};