/** @type {Extension} */
export const supersub: Extension;
export type Construct = import('micromark-util-types').Construct;
export type Extension = import('micromark-util-types').Extension;
export type State = import('micromark-util-types').State;
export type Token = import('micromark-util-types').Token;
export type TokenizeContext = import('micromark-util-types').TokenizeContext;
export type Tokenizer = import('micromark-util-types').Tokenizer;
export type TokenType = import('micromark-util-types').TokenType;
export type Code = import('micromark-util-types').Code;