export declare abstract class Result<A, B> {
    static ok<A, B>(value: A): Ok<A, unknown>;
    static error<A, B>(reason: B): Error<unknown, B>;
    abstract unwrap(): A | B;
}
export declare class Ok<A, B> extends Result<A, B> {
    readonly value: A;
    constructor(value: A);
    unwrap(): A;
}
export declare class Error<A, B> extends Result<A, B> {
    readonly reason: B;
    constructor(reason: B);
    unwrap(): B;
}