import { ResizableColumnType } from '../type.js';

declare function depthFirstSearchWidthSet<T extends {
    children?: T[];
} & Record<string, any>>(children: T[], condition: (column: T) => boolean, width: number): T[];
declare function isString(data: unknown): data is string;
declare function isUndefined(data: unknown): data is undefined;
declare function isNumber(data: unknown): data is number;
declare function isFunction(data: unknown): data is Function;
declare function isObject(data: unknown): data is Record<string, any>;
declare function isEmpty(data: unknown): boolean;
declare function isColHidden(col: ResizableColumnType): any;
declare function isReservedColumn(item: ResizableColumnType): boolean;

export { depthFirstSearchWidthSet, isColHidden, isEmpty, isFunction, isNumber, isObject, isReservedColumn, isString, isUndefined };