/**
 * Lifecycle callbacks for a classified event and an unclassified outcome,
 * generic over an adapter's own event and outcome types.
 *
 * @public
 */
export interface EventCallbacks<TEvent, TOutcome> {
    /** Called with the classified event for a failed outcome. */
    onEvent?: (event: TEvent, outcome: TOutcome) => void | Promise<void>;
    /** Called for every failed outcome, alongside `onEvent`. */
    onError?: (outcome: TOutcome) => void | Promise<void>;
}
/**
 * Calls `onEvent` then `onError` on `callbacks`, swallowing any error either
 * callback throws so a failing callback never breaks the caller's own flow.
 *
 * @public
 */
export declare function emitterCallback<TEvent, TOutcome>(event: TEvent, outcome: TOutcome, callbacks: EventCallbacks<TEvent, TOutcome>): Promise<void>;
//# sourceMappingURL=emit-error-event.d.ts.map