import type { HandlerDataUnhandledRejection } from '../../types-hoist';
/**
 * Add an instrumentation handler for when an unhandled promise rejection is captured.
 *
 * Use at your own risk, this might break without changelog notice, only used internally.
 * @hidden
 */
export declare function addGlobalUnhandledRejectionInstrumentationHandler(handler: (data: HandlerDataUnhandledRejection) => void): void;
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