/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 */
import type { ExtensionConfigBase } from './types';
/**
 * The default merge strategy for extension configuration is a shallow merge.
 *
 * @param config - A full config
 * @param overrides - A partial config of overrides
 * @returns config if there are no overrides, otherwise `{...config, ...overrides}`
 */
export declare function shallowMergeConfig<T extends ExtensionConfigBase>(config: T, overrides?: Partial<T>): T;