import 'reflect-metadata';
/**
 * Event handler metadata
 */
interface EventHandlerMetadata {
    event: string;
    methodName: string;
}
/**
 * Marks a method as an event handler
 *
 * @example
 * ```typescript
 * export class OrderTools {
 *   @Tool({ name: 'create_order', ... })
 *   async createOrder(input: Record<string, unknown>, ctx: ExecutionContext) {
 *     const order = await this.saveOrder(input);
 *
 *     // Emit event
 *     ctx.emit('order.created', order);
 *
 *     return order;
 *   }
 * }
 *
 * export class NotificationService {
 *   @OnEvent('order.created')
 *   async handleOrderCreated(order: unknown) {
 *     await this.sendConfirmationEmail(order);
 *   }
 * }
 * ```
 */
export declare function OnEvent(event: string): MethodDecorator;
/**
 * Get event handlers from a class
 */
export declare function getEventHandlers(target: object): EventHandlerMetadata[];
/**
 * Register all event handlers from a class instance
 */
export declare function registerEventHandlers(instance: object & Record<string, unknown>): void;
/**
 * Emit an event from execution context
 */
export declare function emitEvent(event: string, ...args: unknown[]): void;
export {};
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