/// <reference types="react" />
import "./TopLeftPart.css";
import { GridColumnGroupModel, GridColumnModel } from "../Grid";
export interface TopLeftPartProps<T> {
    onWheel: EventListener;
    columns: GridColumnModel<T>[];
    columnGroups: GridColumnGroupModel[];
    rightShadow?: boolean;
    bottomShadow?: boolean;
}
export declare function TopLeftPart<T>(props: TopLeftPartProps<T>): JSX.Element | null;