import { FastifyRequest, FastifyReply } from 'fastify';
import { Telemetry, BoundariesConfig, Labels } from '@carv/telemetry';
import { ProcessOptions } from '@carv/metrics-process';
export interface FastifyTelemetryOptions {
    /**
     * Expose a metrics route (default: `"/metrics"`)
     */
    url?: false | string;
    name?: string;
    /**
     * App prefix for metrics, if needed
     *
     * @default ''
     * */
    prefix?: string;
    labels?: Labels;
    /**
     * (default: `60000`)
     */
    interval?: number;
    /**
     * Enable default metrics (default: `true`)
     */
    metrics?: boolean | MetricsOptions;
}
export interface MetricsOptions {
    /**
     * Enable http metrics (default: `true`)
     */
    http?: boolean | HttpMetricOptions;
    /**
     * Enable process metrics (default: `true`)
     */
    process?: boolean | ProcessOptions;
}
export interface HttpMetricOptions extends CommonMetricOptions {
    /**
     * (default: `true`)
     */
    concurrentConnections?: boolean | ConcurrentConnectionsOptions;
    /**
     * (default: `true`)
     */
    concurrentRequests?: boolean | ConcurrentRequestsOptions;
    /**
     * (default: `true`)
     */
    requestDuration?: boolean | RequestDurationOptions;
}
export interface CommonMetricOptions {
    telemetry?: Telemetry;
    prefix?: string;
    name?: string;
    description?: string;
    labels?: Labels;
}
export interface ConcurrentConnectionsOptions extends CommonMetricOptions {
    /**
     * (default: `{ start: 1, count: 7 }` => `[1, 2, 4, 8, 16, 32, 64]`)
     */
    boundaries?: BoundariesConfig;
}
export interface ConcurrentRequestsOptions extends CommonMetricOptions {
    /**
     * (default: `{ start: 1, count: 7 }` => `[1, 2, 4, 8, 16, 32, 64]`)
     */
    boundaries?: BoundariesConfig;
}
export interface ExtractLabel {
    (request: FastifyRequest, reply: FastifyReply): string;
}
export interface ExtractLabels {
    (request: FastifyRequest, reply: FastifyReply): Labels | undefined;
}
export interface Skip {
    (request: FastifyRequest, reply: FastifyReply): unknown;
}
export interface RequestDurationOptions extends CommonMetricOptions {
    /**
     * (default: `{ start: 0.1, count: 8 }` => `[0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, 12.8]`)
     */
    boundaries?: BoundariesConfig;
    /**
     * (default: return `request.routerMethod`)
     */
    extractMethod?: boolean | ExtractLabel | 'method' | 'routerMethod';
    /**
     * (default: return `request.routerPath`)
     */
    extractPath?: boolean | ExtractLabel | 'url' | 'routerPath';
    /**
     * (default: return `reply.statusCode` as string)
     */
    extractStatus?: boolean | ExtractLabel | 'grouped';
    /**
     * Create labels for the request (default: `{ method: extractMethod(), path: extractPath(), status: extractStatus() }`).
     */
    extractLabels?: ExtractLabels;
    /**
     * Determinses if this request should **not** be tracked (default: return `false`)
     */
    skip?: Skip;
}