/**
 * Logs message to the console if the `console` object is exposed.
 *
 * @param {...*} args Values which will be logged.
 */
export declare function log(...args: unknown[]): void;
/**
 * Logs warn to the console if the `console` object is exposed.
 *
 * @param {...*} args Values which will be logged.
 */
export declare function warn(...args: unknown[]): void;
/**
 * Logs a warning to the console only once per `scope` and `key` pair.
 *
 * Pass a stable per-instance object (for example, `hot.rootElement`) as the
 * `scope` so each Handsontable instance warns at most once for a given `key`.
 * Reuse the same `key` across unrelated modules to collapse their warnings into
 * a single message per instance.
 *
 * @param {object} scope The object the "warn once" state is bound to (for example, the grid root element).
 * @param {string} key A stable identifier for the warning category.
 * @param {...*} args Values which will be logged.
 */
export declare function warnOnce(scope: object, key: string, ...args: unknown[]): void;
/**
 * Logs a deprecation warning to the console only once per `key` if the `console`
 * object is exposed. Use it for every deprecated public API so the warning does
 * not flood the console on repeated calls.
 *
 * @param {string} key A stable identifier of the deprecated API (for example, the method name).
 * @param {string} message The message to log.
 */
export declare function deprecatedWarnOnce(key: string, message: string): void;
/**
 * Logs a removal warning to the console only once per `key` if the `console` object is exposed.
 * Use it when a caller configures an API that no longer exists. Unlike `deprecatedWarnOnce`, the
 * message carries no `Deprecated:` prefix: a removed API is not deprecated, it is gone, and the
 * message itself has to say so (the same way the removed-hook warning in `core/hooks` does).
 *
 * @param {string} key A stable identifier of the removed API (for example, the option name).
 * @param {string} message The message to log.
 */
export declare function removedWarnOnce(key: string, message: string): void;
/**
 * Clears the record of already-printed deprecation and removal warnings.
 *
 * Test-only. `printedDeprecations` is module-global and never reset in production, so without this
 * every spec that asserts on one of these warnings would depend on the order the specs run in.
 *
 * @private
 */
export declare function _resetDeprecationWarnings(): void;
/**
 * Logs info to the console if the `console` object is exposed.
 *
 * @param {...*} args Values which will be logged.
 */
export declare function info(...args: unknown[]): void;
/**
 * Logs error to the console if the `console` object is exposed.
 *
 * @param {...*} args Values which will be logged.
 */
export declare function error(...args: unknown[]): void;
export interface LogAggregatedItemsOptions {
    logFunction?: (...args: unknown[]) => void;
    message?: string;
    items?: unknown[];
    maxSample?: number;
    itemFormatter?: (item: unknown) => string;
}
/**
 * Logs an aggregated log message with a sample list of items.
 *
 * @param {object} options Log options.
 * @param {Function} [options.logFunction] Function to log the message.
 * @param {string} options.message Message template.
 * @param {Array} options.items List of items to aggregate.
 * @param {number} [options.maxSample=5] Maximum number of items to list.
 * @param {Function} [options.itemFormatter] Formatter for each item.
 */
export declare function logAggregatedItems({ logFunction, message, items, maxSample, itemFormatter, }?: LogAggregatedItemsOptions): void;