/**
 * Normalize an OTLP/HTTP endpoint to its canonical traces url (`.../v1/traces`).
 * Idempotent. Shared by the in-process Vally exporter (CLI), the spawned Copilot
 * runtime, and telemetry-capable executor plugins so every producer resolves to
 * one canonical url.
 *
 * This module is intentionally dependency-free (only `node:url`) so it can be
 * imported from the SDK-free `@microsoft/vally/otel-endpoint` subpath without
 * pulling in the Copilot SDK.
 */
export declare function toOtlpTraceUrl(endpoint: string): string;
/**
 * Normalize an OTLP/HTTP endpoint to its canonical metrics url (`.../v1/metrics`).
 * Idempotent for base, traces, and metrics inputs.
 */
export declare function toOtlpMetricsUrl(endpoint: string): string;
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