/**
 * Prometheus metrics exporter.
 *
 * Exports metrics in Prometheus text format for scraping.
 */
import type { MetricsCollector } from './collector.js';
import type { PrometheusMetric } from './types.js';
/**
 * Export metrics in Prometheus text format.
 */
export declare function exportPrometheusMetrics(collector: MetricsCollector): string;
/**
 * Export metrics as JSON for dashboard consumption.
 */
export declare function exportMetricsJSON(collector: MetricsCollector): string;
/**
 * Get metric definitions for documentation.
 */
export declare function getMetricDefinitions(): PrometheusMetric[];
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