import React from 'react';
interface MetricChartProps {
    data: Array<{
        timestamp: string;
        value: number;
    }>;
    yAxisLabel?: string;
    height?: number;
    color?: string;
    showGrid?: boolean;
    showLegend?: boolean;
    tooltipFormatter?: (value: number) => string;
}
export declare const MetricChart: React.FC<MetricChartProps>;
export default MetricChart;
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