import "./builtin.js";
import { type Some } from "effect/Option";
import * as Option from "effect/Option";
export * from "effect/Option";
export declare const getOrUndefined: <A>(self: Option.Option<A>) => A | undefined;
export declare function omitableToNullable<T>(om: Option.Option<T> | undefined): Option.None<T> | Some<T>;
export declare const toBool: (self: Option.Option<unknown>) => boolean;
export declare const fromBool: (b: boolean) => Option.None<boolean> | Some<boolean>;
/**
 * Access property, unwrapping Options along the path
 */
export declare function p<T, K extends KeysMatching<T, Option.Option<any>>>(k: K): (v: Option.Option<T>) => Option.Option<_A<T[K]>>;
export declare function p<T, K extends keyof T>(k: K): (v: Option.Option<T>) => Option.Option<T[K]>;
export type _A<A> = A extends Some<infer Y> ? Y : never;
type KeysMatching<T, V> = {
    [K in keyof T]: T[K] extends V ? K : never;
}[keyof T];
export declare const PartialExceptionTypeId: unique symbol;
export type PartialExceptionTypeId = typeof PartialExceptionTypeId;
export declare class PartialException {
    readonly _typeId: PartialExceptionTypeId;
}
/**
 * Simulates a partial function
 */
export declare function partial<ARGS extends any[], A>(f: (miss: <X>() => X) => (...args: ARGS) => A): (...args: ARGS) => Option.Option<A>;
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