import { DiffRoundingMethod } from './diffRound.js';
import { DateInput, MaybeDateInput } from './types.js';

/**
 * Returns the difference between 2 dates in hours.
 * @param dateA - A date to compare with the right date
 * @param [dateB] - A date to compare with the left date or nothing to compare with the current time
 * @param [roundingMethod] - the rounding method to use, default: trunc
 */
declare function diffHours(dateA: DateInput, dateB?: MaybeDateInput, roundingMethod?: DiffRoundingMethod): number;
/**
 * Returns the difference between 2 dates in hours.
 * @param [dateA] - A date to compare with the right date or null to compare with the current time
 * @param dateB - A date to compare with the left date
 * @param [roundingMethod] - the rounding method to use, default: trunc
 */
declare function diffHours(dateA: MaybeDateInput, dateB: DateInput, roundingMethod?: DiffRoundingMethod): number;

export { diffHours };