export declare class LazyError extends Error {
    message: string;
    constructor(message: string);
}
export declare class LazyLog {
    static log(type?: string, ...message: any): void;
}
export declare const defaultArg: {
    wh(w?: number, h?: number): {
        width: number;
        height: number;
    };
    vl(vertical?: boolean, layer?: boolean): {
        vertical: boolean;
        layer: boolean;
    };
};