/**
 * @license
 * Copyright Endlessjs. All Rights Reserved.
 * Licensed under the MIT License. See License.txt in the project root for license information.
 */
export declare function convertToBoolProperty(val: any): boolean;
export declare function getElementHeight(el: any): any;
export declare function firstChildNotComment(node: Node): ChildNode;
export declare function lastChildNotComment(node: Node): ChildNode;
