/**
 * A discriminated union representing either a successful value or an error.
 * Used throughout the library to make error handling explicit and type-safe.
 */
export type Result<T, E> = {
    readonly success: true;
    readonly value: T;
} | {
    readonly success: false;
    readonly error: E;
};
/**
 * Create a successful Result containing the given value.
 */
export declare function ok<T>(value: T): Result<T, never>;
/**
 * Create a failed Result containing the given error.
 */
export declare function err<E>(error: E): Result<never, E>;
/**
 * Type guard for successful Results.
 */
export declare function isOk<T, E>(result: Result<T, E>): result is {
    success: true;
    value: T;
};
/**
 * Type guard for failed Results.
 */
export declare function isErr<T, E>(result: Result<T, E>): result is {
    success: false;
    error: E;
};