import * as React from 'react';
import * as RenderersModel from '../renderers-model';
interface State {
    deltaY: number | null;
}
export declare class ColumnSeparatorRenderer<T> extends React.PureComponent<RenderersModel.ColumnSeparatorRendererProps<T>, State> {
    state: State;
    render(): JSX.Element;
    private handleDragStart;
    private handleDragMove;
    private handleDragEnd;
}
export {};