/**
 * 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.
 *
 */
export declare function isHTMLElement(x: unknown): x is HTMLElement;
/**
 * Determines if the specified font is too tall
 */
export declare function isFontTooTall(fontFamily: string): boolean;
export declare const isHeadFontTooTall: boolean;
export declare const isBodyFontTooTall: boolean;