import { BoxProps, HoistProps } from '@xh/hoist/core';
interface RelativeTimestampProps extends HoistProps, BoxProps, RelativeTimestampOptions {
    /**
     * Property on context model containing timestamp.
     * Specify as an alternative to direct `timestamp` prop (and minimize parent re-renders).
     */
    bind?: string;
    /** Date or milliseconds representing the starting time / time to compare. See also `bind`. */
    timestamp?: Date | number;
}
export interface RelativeTimestampOptions {
    /** Allow dates greater than Date.now().*/
    allowFuture?: boolean;
    /** Use shorter timestamp text, default true for mobile clients. */
    short?: boolean;
    /** Label preceding timestamp.*/
    prefix?: string;
    /** Appended to future timestamps. */
    futureSuffix?: string;
    /** Appended to past timestamps. */
    pastSuffix?: string;
    /** String to return when timestamps are within `epsilon`. */
    equalString?: string;
    /** Threshold interval (in seconds) for `equalString`. */
    epsilon?: number;
    /** String to return when timestamp is empty/falsy. */
    emptyResult?: string;
    /** Time to which the input timestamp is compared. */
    relativeTo?: Date | number;
    /**
     * Governs if calendar days should be used for computing return label rather than the native
     * moment 24-hour day.
     *
     * - Set to 'always' to ensure that any output less than 25 days will refer to the difference
     *   in *calendar* days.
     * - Set to 'useTimeForSameDay' for a similar behavior, but showing time differences if the
     *   two dates are on the same calendar day.
     * - Set to 'useTimeFor24Hr' for a similar behavior, but showing time differences for
     *   any differences less than 24 hours.
     *
     * Null (default) will indicate that the standard behavior, based on moment, be used, whereby
     * 'day' refers simply to a 24-hour time period and has no relation to the calendar.
     */
    localDateMode?: 'always' | 'useTimeForSameDay' | 'useTimeFor24Hr';
}
/**
 * A component to display the approximate amount of time between a given timestamp and now in a
 * friendly, human-readable format (e.g. '6 minutes ago' or 'two hours from now').
 *
 * Automatically updates on a regular interval to stay current.
 */
export declare const RelativeTimestamp: import("react").FC<RelativeTimestampProps>, relativeTimestamp: import("@xh/hoist/core").ElementFactory<RelativeTimestampProps>;
/**
 * Returns a string describing the approximate amount of time between a given timestamp and the
 * present moment in a friendly, human-readable format.
 */
export declare function getRelativeTimestamp(timestamp: Date | number, options?: RelativeTimestampOptions): string;
export {};