import { default as React } from 'react';
export type MetricRating = 'good' | 'needs-improvement' | 'poor' | 'unknown' | 'neutral';
export interface MetricRowProps {
    /** Label for the metric */
    label: string;
    /** Value to display */
    value: string | number;
    /** Unit suffix (e.g., 'ms', 'KB') */
    unit?: string;
    /** Rating for color coding */
    rating?: MetricRating;
    /** Additional description */
    description?: string;
    /** Custom className */
    className?: string;
}
/**
 * MetricRow - Display a single performance metric with optional rating
 */
export declare const MetricRow: React.FC<MetricRowProps>;
/**
 * Format a metric value with appropriate precision
 */
export declare const formatMetricValue: (value: number | undefined, unit?: string, decimals?: number) => string;
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