import { type ColumnDef } from "@tanstack/react-table";
export declare function getAllFlatColumns<TData>(columnDefs: ColumnDef<TData, unknown>[]): ColumnDef<TData, unknown>[];
export declare function getAllFlatColumns2<TData>(columnDefs: ColumnDef<TData, unknown>[]): ColumnDef<TData, unknown>[];
export declare function getLeafColumns<TData>(columnDefs: ColumnDef<TData, unknown>[]): ColumnDef<TData, unknown>[];