export declare class HiPSProperties {
    static TILE_WIDTH: string;
    static FRAME: string;
    static ORDER: string;
    static GALACTIC: string;
    static SCALE: string;
    static BITPIX: string;
    private itemMap;
    constructor();
    addItem(key: string, value: any): void;
    getItem(key: string): any;
    isGalactic(): boolean;
}
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