///
import type { ColumnTitle, ColumnTitleProps, ColumnType, Key } from './interface';
export declare function getColumnKey(column: ColumnType, defaultKey: string): Key;
export declare function getColumnPos(index: number, pos?: string): string;
export declare function renderColumnTitle(title: ColumnTitle, props: ColumnTitleProps): import("react").ReactNode;
/**
* Safe get column title
*
* Should filter [object Object]
*
* @param title
* @returns
*/
export declare function safeColumnTitle(title: ColumnTitle, props: ColumnTitleProps): import("react").ReactNode;