declare type PositionChangeListener = (x: number, y: number) => void;
export declare class SimpleCamera {
    private _x;
    private _y;
    private readonly positionChangeListeners;
    constructor();
    get x(): number;
    get y(): number;
    set x(_x: number);
    set y(_y: number);
    private emitPositionChangeEvent;
    addPositionChangeListener(func: PositionChangeListener): () => void;
}
export {};
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