import type { Atom } from "./atom";
import type { Option } from "./option";
import type { Result } from "./result";
/**
 * Converts between Slang types.
 * - `option`: Wraps primitive or symbol description into `Option`
 * - `atom`: Converts `Some<string>` to `Atom` or returns symbol Atom
 * - `result`: Wraps values into `Ok`, `None` into `Err`
 */
export declare function _to<T>(value: Option<T>, target: "option"): Option<T>;
export declare function _to<T extends string>(value: Option<T>, target: "atom"): Atom<T>;
export declare function _to<T extends string>(value: Atom<T>, target: "option"): Option<string>;
export declare function _to<T extends string>(value: Atom<T>, target: "atom"): Atom<T>;
export declare function _to<T, E = string>(value: Option<T>, target: "result"): Result<T, E>;
export declare function _to<E = string>(value: Atom<any>, target: "result"): Result<string, E>;