export declare function scaleDisplayToWindow(mainElement: HTMLElement, width: number, height: number, fullWindowElement?: HTMLElement): void;
export declare function cx(...classNames: (string | false | undefined | null)[]): string;
export declare function cxa(classNames: (string | false | undefined | null)[]): string;
export declare function cxo(classNames: Record<string, boolean | undefined | null>): string;