/**
 * @module Utilities
 */
/**
 * @internal
 */
export declare const OPTION: {
    readonly SOME: "some";
    readonly NONE: "none";
};
/**
 * @internal
 */
export type OptionSome<TValue = unknown> = {
    type: (typeof OPTION)["SOME"];
    value: TValue;
};
/**
 * @internal
 */
export type OptionNone = {
    type: (typeof OPTION)["NONE"];
};
/**
 * @internal
 */
export type Option<TValue = unknown> = OptionSome<TValue> | OptionNone;
/**
 * @internal
 */
export declare function optionSome<TValue = unknown>(value: TValue): OptionSome<TValue>;
/**
 * @internal
 */
export declare function optionNone(): OptionNone;