import type { Element, Text } from 'hast';
export declare function isTag(t: any, tagName: string | string[]): boolean;
export declare function isHeading(t: any, tagName?: string | string[]): t is Element;
export declare const isParagraph: (t: any) => boolean;
export declare function isTable(t: any): t is Element;
export declare const isText: (t: any) => t is Text;
export declare function isUl<T>(t: T): t is T;
export declare function isBlockquote(t: any): boolean;
export declare function isImage(t: any): t is Element;