import { type OnModuleInit } from '@nestjs/common';
import { DiscoveryService } from '@nestjs/core';
import { type MatadorSchema } from '@zdavison/matador';
import type { MatadorModuleOptions } from '../types.js';
/**
 * Service that discovers all @OnMatadorEvent decorated methods in the application
 * and builds a Matador schema from them.
 */
export declare class SubscriberDiscoveryService implements OnModuleInit {
    private readonly discoveryService;
    private schema;
    private discovered;
    constructor(discoveryService: DiscoveryService);
    onModuleInit(): void;
    /**
     * Discovers all @OnMatadorEvent decorated methods and builds the schema.
     */
    private discoverSubscribers;
    /**
     * Registers a single handler method as a subscriber.
     */
    private registerHandler;
    /**
     * Adds a subscriber to the schema for an event.
     */
    private addToSchema;
    /**
     * Gets the discovered schema.
     * Must be called after onModuleInit has run.
     */
    getSchema(): MatadorSchema;
    /**
     * Gets the schema merged with additional events from options.
     */
    getMergedSchema(options: MatadorModuleOptions): MatadorSchema;
}
//# sourceMappingURL=subscriber-discovery.service.d.ts.map