export interface RelativeTimeCellProps {
    value: number | string | Date | null | undefined;
    className?: string;
    /** Age (ms) at or beyond which the cell switches to the warning tone. */
    warningThresholdMs?: number;
    /** Age (ms) at or beyond which the cell switches to the error tone (checked before warning). */
    errorThresholdMs?: number;
}
/**
 * Relative "time ago" cell — ideal for lastSeen/lastSync/updatedAt fields.
 * Escalates text color to warning/error tone once the value crosses the
 * given age thresholds. Exact timestamp is available via the `title` tooltip.
 */
export declare function RelativeTimeCell({ value, className, warningThresholdMs, errorThresholdMs }: RelativeTimeCellProps): import("react").JSX.Element;
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