interface Column {
    group?: any;
    width?: number | string;
}
export declare function compareColumns(columns1?: Column[], columns2?: Column[]): boolean;
export declare function shallowEqual(objA: any, objB?: any, options?: {}): boolean;
export declare function shallowEqualExceptFalsely(objA: any, objB?: any, options?: {}): boolean;
export default shallowEqual;
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