interface PositionLike {
    x: number;
    y: number;
}
interface SizeLike {
    width: number;
    height: number;
}
interface RectLike {
    top: number;
    bottom: number;
    left: number;
    right: number;
}
export declare type Sizeable = SizeLike | RectLike | number;
export declare type ScaleMode = "contain" | "cover";
export declare class Position {
    x: number;
    y: number;
    constructor(s: PositionLike | number);
}
export declare class Size {
    width: number;
    height: number;
    constructor(s: Sizeable);
    scale(ratio: number): this;
    round(): this;
    scaleTo(target: Sizeable, mode: ScaleMode): {
        size: Size;
        ratio: number;
        sourceOffset: {
            x: number;
            y: number;
        };
        targetOffset: {
            x: number;
            y: number;
        };
    };
}
export declare class Rect {
    top: number;
    bottom: number;
    left: number;
    right: number;
    constructor(o: Sizeable);
    move(p: Position): this;
    scaleTo(target: Sizeable, mode: ScaleMode): {
        size: Size;
        ratio: number;
        sourceOffset: {
            x: number;
            y: number;
        };
        targetOffset: {
            x: number;
            y: number;
        };
    };
}
export {};