export declare const cssExpand: string[];
export declare function getStyles(elem: Node): CSSStyleDeclaration;
export declare function cssCamelCase(string: string): string;
export declare const isIECheck: (doc?: Document) => any;
export declare function isAutoPx(prop: string): boolean;
export declare const cssHooks: Record<string, {
    get?(doc: Document, element: Node, computed?: boolean, extra?: string | boolean): any;
    set?(doc: Document, element: Node, value: any, extra?: string | boolean): void;
}>;
export declare function swap(elem: HTMLElement, options: {}, callback: (this: HTMLElement) => void): any;
export declare function setPositiveNumber(_elem: Element, value: string, subtract?: number): string;