/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
/**
 * Side-effect that locks the document body's scroll throughout the lifetime of
 * the containing component. e.g. when the mobile sidebar is expanded.
 */
export declare function useLockBodyScroll(lock?: boolean): void;
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