export declare class Objects {
    /**
     *
     * Check if an object and its possible child objects (i.e. {}, []) is/are null
     * @param obj The object to check if it is null
     * @returns A boolean indicating if the object is null
     */
    static isEmpty(obj: any): boolean;
    /**
     *
     * Check if an object and its possible child objects (i.e. {}, []) is/are null
     * @param obj The object to check if it is null
     * @returns A boolean indicating if the object is null
     */
    static isEmptyDeep(obj: any): boolean;
    /**
     *
     * Check if an object is an array
     * @param obj The object to check if it is an array
     * @returns A boolean indicating if the object is an array
     */
    static isArray(arr: any): boolean;
    /**
     *
     * Check if an object is an empty array
     *
     * @param obj The object to check if it is an empty array
     * @returns A boolean indicating if the object is an empty array
     */
    static isEmptyArray(arr: any): boolean;
}
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