import 'reflect-metadata';
/**
 * Marks a method as the alternative handler for an event during replay.
 * Without an explicit event type, name the method `replay<EventClassName>`.
 * The regular camelCase handler continues to handle live events, but this method replaces
 * it during replay. Marking this replay handler with @onceOnly() means neither handler
 * runs for replayed events.
 * @param eventType - Optional event constructor for a differently named replay handler.
 * @returns A method decorator for legacy and standard TypeScript decorators.
 */
export declare function replay(eventType?: Function): MethodDecorator & ((value: Function, context: ClassMethodDecoratorContext) => void);
/** Gets the explicit event type, or the convention marker, for a replay handler. */
export declare function getReplayEventType(method: Function): Function | true | undefined;
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