import React from 'react';
import { AcceptDropParams, ColumnsConfig, DataColumnProps, DropPosition } from '@epam/uui-core';
import { ColumnsConfigurationRowProps, DndDataType, GroupedColumnsType, GroupedDataColumnProps } from './types';
export declare function isColumnLocked(column: DataColumnProps): boolean;
export declare function canAcceptDrop(props: AcceptDropParams<DndDataType, DndDataType>, nextColumn?: DataColumnProps, prevColumn?: DataColumnProps): {
    bottom: boolean;
    top?: undefined;
} | {
    top: boolean;
    bottom?: undefined;
} | {
    bottom?: undefined;
    top?: undefined;
} | {
    top: boolean;
    bottom: boolean;
};
export declare function getNewColumnOrder(props: {
    targetOrder: string;
    targetPrevOrder?: string;
    targetNextOrder?: string;
    position: DropPosition;
}): string;
export declare function isEmptyCaption(s: React.ReactNode): boolean;
export declare function isColumnAlwaysHiddenInTheConfigurationModal(column: DataColumnProps): boolean;
export declare function isColumnFilteredOut(column: DataColumnProps, searchFields: string[], filter?: string): boolean;
interface IGroupAndFilterSortedColumnsProps<TItem, TId, TFilter> {
    sortedColumns: ColumnsConfigurationRowProps[];
    searchValue: string;
    getSearchFields: (column: DataColumnProps<TItem, TId, TFilter>) => string[];
}
export declare function groupAndFilterSortedColumns<TItem, TId, TFilter>(props: IGroupAndFilterSortedColumnsProps<TItem, TId, TFilter>): GroupedColumnsType;
export declare function findFirstByGroupKey<T extends GroupedDataColumnProps>(arr: T[], groupKey: keyof GroupedColumnsType): {
    column?: T;
    prev?: T;
    next?: T;
};
export declare function findLastByGroupKey<T extends GroupedDataColumnProps>(arr: T[], groupKey: keyof GroupedColumnsType): {
    column?: T;
    prev?: T;
    next?: T;
};
export declare function sortColumnsAndAddGroupKey(props: {
    columns: DataColumnProps[];
    prevConfig: ColumnsConfig;
}): GroupedDataColumnProps[];
export {};
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