import type { Options } from 'ky';
export type RequestOptions = Pick<Options, 'signal' | 'headers' | 'timeout' | 'retry'>;
export type Result<T, E = Error> = {
    ok: true;
    value: T;
    error?: never;
} | {
    ok: false;
    value?: never;
    error: E;
};
export declare function ok<T>(value: T): Result<T, never>;
export declare function err<E>(error: E): Result<never, E>;
export declare function unwrap<T, E>(result: Result<T, E>): T;