export type FormatTimeAgoOptions = {
    locale?: string;
    numeric?: "auto" | "always";
    style?: "long" | "short" | "narrow";
};
/**
 * Format a date/timestamp as a human-friendly relative time string.
 * Examples: "2 minutes ago", "in 3 days", "yesterday" (when numeric: "auto").
 */
export declare function formatTimeAgo(input: Date | number, options?: FormatTimeAgoOptions): string;
export default formatTimeAgo;
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