import { Span, SpanAttributes } from '@sentry/core';
/**
 * Drops spans for tunnel requests from middleware, fetch instrumentation, or BaseServer.handleRequest.
 * This catches:
 * 1. Requests to the local tunnel route (before rewrite) via middleware or BaseServer.handleRequest
 * 2. Requests to Sentry ingest (after rewrite) via fetch spans
 */
export declare function dropMiddlewareTunnelRequests(span: Span, attrs: SpanAttributes | undefined): void;
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