/*!
 * Copyright (c) Microsoft. All rights reserved.
 * Licensed under the MIT license. See LICENSE file in the project.
 */
import { DataType } from '@datashaper/schema';
import type ColumnTable from 'arquero/dist/types/table/column-table';
/**
 * Returns a map of all of the column getters for a table.
 */
export declare function getters(table: ColumnTable): Record<string, (i: number) => any>;
/**
 * Returns a list of column indices that contain at least one 0.
 * @param table -
 */
export declare function columnIndexesWithZeros(table: ColumnTable): number[];
/**
 * Returns a list of column names that contain at least one 0.
 * @param table -
 * @returns
 */
export declare function columnNamesWithZeros(table: ColumnTable): string[];
export declare function columnType(table: ColumnTable, column: string): DataType;