import { type Nullable } from '../nullable/nullable.js';
import { type Undefinable } from '../undefinable/undefinable.js';
import { type Result } from './result.js';
/**
 *  Transposes a `Result` of an `Nullable<T>` into an `Nullable<T>` of a `Result`.
 *
 *  - `Ok(T)` -> `Ok(T)`
 *  - `Ok(null)` -> `null`
 *  - `Err(E)` -> `Err(E)`
 */
export declare function transposeResultToNullable<T, E>(input: Result<Nullable<T>, E>): Nullable<Result<T, E>>;
/**
 *  Transposes a `Result` of an `Undefinable<T>` into an `Undefinable<T>` of a `Result`.
 *
 *  - `Ok(T)` -> `Ok(T)`
 *  - `Ok(undefined)` -> `undefined`
 *  - `Err(E)` -> `Err(E)`
 */
export declare function transposeResultToUndefinable<T, E>(input: Result<Undefinable<T>, E>): Undefinable<Result<T, E>>;