import type Token from 'markdown-it/lib/token';
export declare const CUSTOM_ID_REGEXP: RegExp;
export declare const CUSTOM_ID_EXCEPTION = "[{#T}]";
export declare const getCustomIds: (content: string) => string[] | null;
export declare const removeCustomId: (content: string) => string;
export declare const removeCustomIds: (token: Token) => void;