import * as React from "react";
export declare const iconAlign: string;
export interface TooltipHeaderCellProps {
    /**
     * Helper content that explains the content in the column.
     */
    tooltipContent?: React.ReactNode;
    children?: React.ReactNode;
}
export declare const TooltipHeaderCell: ({ children, tooltipContent }: TooltipHeaderCellProps) => JSX.Element;