/** Instrument a React render operation. */
export declare function instrumentReactRender<T>(renderFn: () => PromiseLike<T> | T, componentName: string): Promise<T>;
/** Handler for instrument error. */
export declare function instrumentErrorHandler(handler: (error: Error, request?: Request) => Promise<Response> | Response, captureToSpan?: boolean): (error: Error, request?: Request) => Promise<Response> | Response;
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