/**
 * This Source Code is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * Copyright (c) Infonomic Company Limited
 */
import type { ColumnFormatter, FormatterProps } from '@byline/core';
/**
 * Type guard: returns true when the formatter is a `{ component }` wrapper
 * rather than a plain function.
 */
export declare function isComponentFormatter<T>(fmt: ColumnFormatter<T>): fmt is {
    component: (props: FormatterProps<T>) => any;
};
/**
 * Render a cell value through its column formatter (if any).
 * Handles both plain-function and `{ component }` formatters.
 */
export declare function renderFormatted(value: any, document: any, formatter: ColumnFormatter): any;