import { Node } from 'unist';
export declare function generateManualUrl(source: string, meta: Record<string, unknown>, prefix?: string, suffix?: string): string;
export declare function generateAutoUrl(source: string, prefix?: string, suffix?: string): string;
export declare function inferTitle(ast: Node): string | undefined;
export declare function isValidUrl(s: string): boolean;
export declare function isAnchorUrl(s: string): boolean;
export declare function deleteNode(nodes: unknown, nodeToDelete: Node | undefined): void;
export declare const DEFAULT_IGNORE: string[];