import { CoercingContext, ErrorTrackingCoercer, ExceptionLike } from '../types';
export declare class PromiseRejectionEventCoercer implements ErrorTrackingCoercer<PromiseRejectionEvent> {
    match(err: unknown): err is PromiseRejectionEvent;
    coerce(err: PromiseRejectionEvent, ctx: CoercingContext): ExceptionLike | undefined;
    private getUnhandledRejectionReason;
}
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