import { Type } from "../type";
export declare const num: import("./type-of").TypeOf<number>;
export declare const bigint: import("./type-of").TypeOf<bigint>;
export declare const str: import("./type-of").TypeOf<string>;
export declare const bool: import("./type-of").TypeOf<boolean>;
export declare const fn: import("./type-of").TypeOf<Function>;
export declare const sym: import("./type-of").TypeOf<Symbol>;
export declare const undef: import("./type-of").TypeOf<undefined>;
export declare const nil: import("./value").Value<null>;
export declare const obj: import("./type-of").TypeOf<Object>;
export declare function maybe<T>(check: Type<T>): import("../type").Either<T, null>;