export interface Point {
    x: number;
    y: number;
}
export interface Size {
    width: number;
    height: number;
}
export declare class Area {
    left: number;
    top: number;
    right: number;
    bottom: number;
    get width(): number;
    get height(): number;
    get center(): Point;
    constructor(left?: number, top?: number, right?: number, bottom?: number);
}