/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { MergeStrategy } from '../config/settingsSchema.js';
export type Mergeable = string | number | boolean | null | undefined | object | Mergeable[];
export type MergeableObject = Record<string, Mergeable>;
export declare function customDeepMerge(getMergeStrategyForPath: (path: string[]) => MergeStrategy | undefined, ...sources: MergeableObject[]): MergeableObject;