import type { PickerViewProps, PickerValue, PickerValueExtend } from './picker-view';
export declare function generateColumnsExtend(rawColumns: PickerViewProps['columns'], val: PickerValue[]): PickerValueExtend;
export declare function useColumnsExtend(rawColumns: PickerViewProps['columns'], value: PickerValue[]): PickerValueExtend;