/**
 * @license
 * Copyright 2025 Steven Roussey <sroussey@gmail.com>
 * SPDX-License-Identifier: Apache-2.0
 */
import { ServiceRegistry } from "../di/ServiceRegistry";
import type { ITelemetryProvider } from "./ITelemetryProvider";
/**
 * Service token for the global telemetry provider instance.
 */
export declare const TELEMETRY_PROVIDER: import("../di").ServiceToken<ITelemetryProvider>;
/**
 * Registers the default telemetry provider factory on the given registry.
 * Called by `bootstrapWorkglow` / `createOrchestrationContext`.
 */
export declare function registerTelemetryDefaults(registry?: ServiceRegistry): void;
/**
 * Returns the telemetry provider from the given registry (defaults to global).
 */
export declare function getTelemetryProvider(registry?: ServiceRegistry): ITelemetryProvider;
/**
 * Replaces the telemetry provider on the given registry (defaults to global).
 *
 * @example
 * ```ts
 * import { OTelTelemetryProvider } from "@workglow/util";
 * import { trace } from "@opentelemetry/api";
 *
 * setTelemetryProvider(new OTelTelemetryProvider(trace.getTracer("my-app")));
 * ```
 */
export declare function setTelemetryProvider(provider: ITelemetryProvider, registry?: ServiceRegistry): void;
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