import { MMInfo } from '../mm-info';
export interface Env {
    mminfo: MMInfo;
    ℙ: typeof import('../patterns');
    next: never;
    isPromise: typeof import('../util').isPromise;
}
/**
 * Contains multimethod implementation code in template form. This function is not called as-is. Rather it is
 * stringified to its source code, and that source code undergoes substitutions to produce the source code for an actual
 * multimethod. The resulting source code is evaluated to produce a multimethod function that is both fast and readable.
 */
export declare function multimethodTemplate(env: Env): (MM$PARAMS: any) => any;