export declare class Margin {
    left: number;
    top: number;
    right: number;
    bottom: number;
    all: number;
    horizental: number;
    vertical: number;
    [key: string]: any;
    constructor(param: string | any);
    toJSON(): {
        "left": number;
        "top": number;
        "right": number;
        "bottom": number;
        "all": number;
        "horizental": number;
        "vertical": number;
    };
    toString(): string;
}