import type { Temporal } from "@js-temporal/polyfill";
import { StormDateTime } from "../storm-date-time";
/**
 * Options for the `formatSince` method
 */
export type FormatSinceOptions = {
    /**
     * Whether to use colon notation
     */
    colonNotation?: boolean;
    /**
     * Whether to use compact notation
     */
    compact?: boolean;
    /**
     * Whether to format sub-milliseconds
     */
    formatSubMilliseconds?: boolean;
    /**
     * Whether to keep decimals on whole seconds
     */
    keepDecimalsOnWholeSeconds?: boolean;
    /**
     * The number of decimal digits to use for milliseconds
     */
    millisecondsDecimalDigits?: number;
    /**
     * The number of decimal digits to use for seconds
     */
    secondsDecimalDigits?: number;
    /**
     * Whether to separate milliseconds
     */
    separateMilliseconds?: boolean;
    /**
     * The number of units to include
     */
    unitCount?: number;
    /**
     * Whether to use verbose notation
     */
    verbose?: boolean;
};
/**
 * Formats a duration or a date-time since another date-time.
 *
 * @remarks
 * An example output when the options.verbose is true:
 * 4 days 3 hours 2 minutes 1 second 0 milliseconds
 *
 * An example output when the options.verbose is false:
 * 4d 3h 2m 1s 0ms
 *
 * @param dateTimeOrDuration - The date-time or duration to format
 * @param dateTimeTo - The date-time to format since
 * @param options - The options to use
 * @returns The formatted time since
 */
export declare const formatSince: (dateTimeOrDuration: StormDateTime | Temporal.Duration, dateTimeTo?: StormDateTime, options?: FormatSinceOptions) => string;