import type { _, DeepPartial_, IsOptional, SuggestObject, Value } from '../../index.js';
export type DeepMerge2<A, B, AOptional extends boolean = false, BOptional extends boolean = false> = DeepMerge2_<AOptional extends true ? DeepPartial_<A> : A, BOptional extends true ? DeepPartial_<B> : B, BOptional>;
type DeepMerge2_<A, B, BOptional extends boolean = false> = A extends object ? B extends object ? _<{
    [k in keyof A | keyof B as IsOptional<A & B, k, k, never>]?: k extends keyof A ? k extends keyof B ? DeepMerge2<Value<A, k>, Value<B, k>, true, true> : Value<A, k> : k extends keyof B ? Value<B, k> : never;
} & {
    [k in keyof A | keyof B as (k extends keyof A ? IsOptional<A, k, never, k> : never) | (k extends keyof B ? IsOptional<B, k, never, k> : never)]: k extends keyof A ? k extends keyof B ? DeepMerge2<Value<A, k>, Value<B, k>, IsOptional<A, k>, IsOptional<B, k>> : Value<A, k> : k extends keyof B ? Value<B, k> : never;
}> : BOptional extends true ? A | B : B : BOptional extends true ? A | B : B;
type DeepMerge_<objs, accumulator> = objs extends readonly [] ? accumulator : objs extends readonly [infer h, ...infer t] ? [h] extends [object] ? DeepMerge_<t, DeepMerge2<accumulator, h>> : [
    h
] extends [never] ? DeepMerge_<t, accumulator> : accumulator : accumulator;
export type DeepMerge<A extends readonly object[] | object, B extends [A] extends [readonly object[]] ? void : object | void = void, C extends [A] extends [readonly object[]] ? void : object | void = void, D extends [A] extends [readonly object[]] ? void : object | void = void, E extends [A] extends [readonly object[]] ? void : object | void = void> = [A] extends [readonly object[]] ? DeepMerge_<A, {}> : DeepMerge_<readonly [A, B, C, D, E], {}>;
export type DeepMergeN<Array_ extends readonly object[]> = DeepMerge_<Array_, {}>;
/**
 * Deep merge 2 objects ()
 *
 * @example
 *
 * ```ts
 * const r = deepMerge({ a: { aa: 1 } }, { a: { ab: 2 } }) // `{a: {aa: 1, ab: 2}}`
 * ```
 *
 * @param objectA - First object to deep merge
 * @param objectB - Second object to deep merge
 * @returns Deeply merged object
 */
export declare function deepMerge<ObjA extends object, ObjB extends SuggestObject<ObjA>>(objectA: ObjA, objectB: ObjB): DeepMerge2<ObjA, ObjB>;
/**
 * Deep merge N objects (`objs`)
 *
 * @example
 *
 * ```ts
 * const r = deepMerge({ a: { aa: 1 } }, { a: { ab: 2 } }) // `{a: {aa: 1, ab: 2}}`
 * ```
 *
 * @param objs - Objects to deep merge
 * @returns Deeply merged object
 */
export declare function deepMerge<Objs extends readonly object[]>(...objs: Objs): DeepMerge<Objs>;
export {};
//# sourceMappingURL=deepMerge.d.ts.map