import { AnyValue, InstrumentationScope, KeyValue, Resource } from "../types/otlp";
import { AttributeValueType } from "./utils/otel";
export type Endpoint = {
    /**
     * OTLP HTTP URL excluding the /v1/* prefix
     */
    url: string;
    /**
     * Will be placed into `Authorization: Bearer {auth_token}` header. Has the form
     * `auth_abc123`.
     */
    authToken: string;
    /**
     * Optionally specify what dataset should be placed into. Can also be configured within Dash0
     * through the auth token.
     */
    dataset?: string;
};
export type PageViewMeta = {
    /**
     * Defaults to document.title
     */
    title?: string;
    attributes?: Record<string, AttributeValueType | AnyValue>;
};
export type PageViewInstrumentationSettings = {
    /**
     * Allows the selection of custom page metadata, falls back to default behaviour if undefined is returned.
     */
    generateMetadata?: (url: URL) => PageViewMeta | undefined;
    /**
     * Whether the sdk should track virtual page views by instrumenting the history api.
     * Only relevant for websites utilizing virtual navigation.
     * Defaults to true.
     */
    trackVirtualPageViews?: boolean;
    /**
     * Do not generate virtual page views when these url parts change.
     * - "HASH" ignore changes to the urls hash / fragment
     * - "SEARCH" ignore changes to the urls search / query parameters
     */
    ignoreParts?: Array<"HASH" | "SEARCH">;
};
export type Vars = {
    /**
     * Telemetry endpoints to which the generated telemetry should be sent
     */
    endpoints: Endpoint[];
    /**
     * OpenTelemetry resource used for all the telemetry we emit.
     */
    resource: Resource;
    /**
     * OpenTelemetry scope used for all the telemetry we emit.
     */
    scope: InstrumentationScope;
    /**
     * Attributes that are supposed to be added to all outgoing signals
     * at the time they are **added** to the transport layer.
     */
    signalAttributes: KeyValue[];
    /**
     * An array of URL regular expression for which no data should be
     * collected. These regular expressions are evaluated against
     * the document, XMLHttpRequest, fetch and resource URLs.
     */
    ignoreUrls: RegExp[];
    /**
     * An array of error message regular expressions for which no data
     * should be collected.
     */
    ignoreErrorMessages: RegExp[];
    /**
     * Whether we should automatically wrap DOM event handlers
     * added via addEventlistener for improved uncaught error tracking.
     * This results in improved uncaught error tracking for cross-origin
     * errors, but may have adverse effects on website performance and
     * stability.
     *
     * @default true
     */
    wrapEventHandlers: boolean;
    /**
     * Whether we should automatically wrap timers
     * added via setTimeout / setInterval for improved uncaught error tracking.
     * This results in improved uncaught error tracking for cross-origin
     * errors, but may have adverse effects on website performance and
     * stability.
     *
     * @default true
     */
    wrapTimers: boolean;
    /**
     * An array of URL regular expressions
     * for which trace context headers should be sent across origins by http client instrumentations.
     */
    propagateTraceHeadersCorsURLs: RegExp[];
    /**
     * How long to wait after an XMLHttpRequest or fetch request has finished
     * for the retrieval of resource timing data. Performance timeline events
     * are placed on the low priority task queue and therefore high values
     * might be necessary.
     *
     * @default 10000
     */
    maxWaitForResourceTimingsMillis: number;
    /**
     * The number of milliseconds added to endTime so that performanceEntry is
     * available before endTime and backendTraceId does not become undefined for
     * xhr beacons
     *
     * @default 3000
     */
    maxToleranceForResourceTimingsMillis: number;
    /**
     * A set of regular expressions that will be matched against HTTP headers to be
     * captured in `XMLHttpRequest` and `fetch` Instrumentations.
     * These headers will be transferred as span attributes
     */
    headersToCapture: RegExp[];
    pageViewInstrumentation: PageViewInstrumentationSettings;
};
export declare const vars: Vars;