type RectMargin = string | Rect | Array<string | number>;
export interface IRect {
    l: number;
    r: number;
    t: number;
    b: number;
}
export declare class Rect implements IRect {
    isRect: boolean;
    l: number;
    r: number;
    t: number;
    b: number;
    constructor(config?: {
        t?: number;
        r?: number;
        b?: number;
        l?: number;
    });
    width(): number;
    height(): number;
    valid(): boolean;
    makeValid(): Rect;
    isEqual(r?: Rect): boolean;
    static add(a: Rect, b: Rect): Rect;
    static multiply(a: Rect, b: Rect): Rect;
    static margin(r: Rect, m?: RectMargin): Rect;
    static convertMargin(m?: RectMargin): Rect;
    static convert(r?: RectMargin | number): Rect;
}
export {};
//# sourceMappingURL=Rect.d.ts.map