import { Core } from "../core";
import { Exp, ExpMeta } from "../exp";
import { Ctx } from "../ctx";
import { Value } from "../value";
export declare class Type extends Exp {
    meta?: ExpMeta;
    constructor(meta?: ExpMeta);
    free_names(bound_names: Set<string>): Set<string>;
    subst(name: string, exp: Exp): this;
    infer(ctx: Ctx): {
        t: Value;
        core: Core;
    };
    repr(): string;
}