import { MeterProvider, PeriodicExportingMetricReader, ConsoleMetricExporter } from '@opentelemetry/sdk-metrics';
import { metrics } from '@opentelemetry/api';
import { SetupMetricsOptions } from '../types';
export default class Metrics {
    static meterProvider: MeterProvider;
    static meter: ReturnType<typeof metrics.getMeter>;
    static metricReaders: PeriodicExportingMetricReader[];
    static genaiClientUsageTokens: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static genaiClientOperationDuration: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static genaiServerTbt: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static genaiServerTtft: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static genaiClientTimeToFirstChunk: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static genaiClientTimePerOutputChunk: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static genaiServerRequestDuration: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static dbClientOperationDuration: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static genaiRequests: ReturnType<ReturnType<typeof metrics.getMeter>['createCounter']>;
    static genaiPromptTokens: ReturnType<ReturnType<typeof metrics.getMeter>['createCounter']>;
    static genaiCompletionTokens: ReturnType<ReturnType<typeof metrics.getMeter>['createCounter']>;
    static genaiReasoningTokens: ReturnType<ReturnType<typeof metrics.getMeter>['createCounter']>;
    static genaiCost: ReturnType<ReturnType<typeof metrics.getMeter>['createHistogram']>;
    static dbRequests: ReturnType<ReturnType<typeof metrics.getMeter>['createCounter']>;
    static initializeMetrics(): void;
    static handleExporterFallback(err: Error, allowConsoleExporterFallback: boolean): ConsoleMetricExporter;
    static setup(options: SetupMetricsOptions): import("@opentelemetry/api").Meter | null;
}