import type { ErrResult, OkResult, Result } from './types';
export declare const isResult: (value: unknown) => value is Result<unknown, unknown>;
export declare const isOk: <T>(value: Result<T, unknown>) => value is OkResult<T>;
export declare const isError: <E>(value: Result<unknown, E>) => value is ErrResult<E>;
export declare const isErr: <E>(value: Result<unknown, E>) => value is ErrResult<E>;
export declare const ensureResult: <T, S, E>(value: T | Result<S, E>) => Result<T | S, E>;