import { type ActionHandler, type DataFrame, type DownloadVariableImpl } from '../types/core';
/**
 * Restore original column names by inverting pandas_utils transformations
 */
export declare const restoreColumnName: (colName: string) => string;
/**
 * Process data to restore original column structure before creating matrix
 */
export declare const processDataForDownload: (content: DataFrame) => DataFrame;
/**
 * Frontend handler for DownloadVariable action
 * Retrieves the variable value and downloads the variable as either a csv, json or xl file
 */
declare const DownloadVariable: ActionHandler<DownloadVariableImpl>;
export default DownloadVariable;
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