import React from 'react';
import type { ColumnShape, RowData } from './types';
export declare function renderElement(renderer: React.ReactElement | React.ComponentType<any> | null | undefined, props?: Record<string, any>): React.ReactNode;
export declare function normalizeColumns(elements: React.ReactNode): ColumnShape[];
export declare function isObjectEqual(objA: any, objB: any, ignoreFunction?: boolean): boolean;
export declare function callOrReturn<T>(funcOrValue: T | ((...args: any[]) => T), ...args: any[]): T;
export declare function hasChildren(data: RowData): boolean;
export declare function unflatten(array: RowData[], rootId?: any, dataKey?: string, parentKey?: string): RowData[];
export declare function flattenOnKeys(tree: RowData[], keys: any[], depthMap?: Record<string, number>, dataKey?: string): RowData[];
export declare function cloneArray<T>(array: T[]): T[];
export declare function noop(): void;
export declare function toString(value: any): string;
export declare function getValue(object: any, path: string, defaultValue?: any): any;
export declare const debounce: (fn: (...args: any[]) => void, ms?: number) => (this: any, ...args: any[]) => void;
export declare const throttle: (fn: (...args: any[]) => void, wait: number) => (this: any) => void;
export declare function getScrollbarSize(recalculate?: boolean): number;
export declare function addClassName(el: HTMLElement, className: string): void;
export declare function removeClassName(el: HTMLElement, className: string): void;
export declare function getEstimatedTotalRowsHeight(data: RowData[], estimatedRowHeight: number | ((args: {
    rowData: RowData;
    rowIndex: number;
}) => number)): number;