/**
 * Platform-portable Express tracing integration.
 *
 * @module
 *
 * This Sentry integration is a derivative work based on the OpenTelemetry
 * Express instrumentation.
 *
 * <https://github.com/open-telemetry/opentelemetry-js-contrib/tree/main/packages/instrumentation-express>
 *
 * Extended under the terms of the Apache 2.0 license linked below:
 *
 * ----
 *
 * Copyright The OpenTelemetry Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import type { ExpressRequest } from './types';
export declare const storeLayer: (req: ExpressRequest, layer: string) => void;
export declare const getStoredLayers: (req: ExpressRequest) => string[];
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