/**
 * Sorts and returns all of the columns in [tableColumns] based off the sorted-ordering of the
 * anchor column [colNameToSort]
 * @param tableColumns A map of column names to their corresponding column
 * @param colNameToSort The name of the column to sort whose new ordering will be the anchor for the
 * other columns in [tableColumns] to match
 * @returns the sorted version of [tableColumns]
 */
export declare function sortTableColumns(tableColumns: Map<string, string[]>, colNameToSort: string): Map<string, string[]>;
/**
 * Splits the given table into separate tables by month
 * @param tableColumns The table to split
 * @param dateTimeColumnName The column containing the date-time string to split the table with
 * @returns A map:
 *  - key: the US-EN formatted month and year of the separate table
 *  - value: The table for each corresponding month
 */
export declare function splitTableColumnsByMonth(tableColumns: Map<string, string[]>, dateTimeColumnName: string): Map<string, Map<string, string[]>>;