import { UseGoogleChartDataTableParams } from "../hooks/internal/useGoogleChartDataTable";
export declare class GoogleChartInternal {
    private static grayOutHiddenColumnsLabel;
    static listenToLegendToggle: (props: UseGoogleChartDataTableParams, hiddenColumnsState: [string[], React.Dispatch<React.SetStateAction<string[]>>]) => import("../types").GoogleVizEventListener | undefined;
    static draw: (props: UseGoogleChartDataTableParams & {
        hiddenColumns: string[];
    }) => Promise<void>;
    private static getColumnId;
    private static applyFormatters;
}