export declare const formatColumns: (data: any) => any;
export declare const changeColumns: (data: any) => {
    type: string;
    data: any;
};
export declare const update: (data: any) => {
    type: string;
    data: any;
};
export declare function reducer(state: any, { type, data }: {
    type: any;
    data: any;
}): any;