export declare const DURATION_LABELS: {
    31557600000: string;
    2629800000: string;
    604800000: string;
    86400000: string;
    3600000: string;
    60000: string;
    1000: string;
};
export declare function getSpanDurationClassName(duration: number): "text-red-400" | "text-orange-400" | "text-yellow-400" | undefined;
export declare function getFormattedNumber(num: number, decimalPlaces?: number): string;
export declare function getFormattedDuration(duration: number): string;
export declare function getFormattedSpanDuration(span: {
    timestamp: number;
    start_timestamp: number;
}): string;
export declare function formatTimestamp(timestamp: number): string;