import { EmittableGateway, Gateway, ObservableGateway } from "@tmorin/ceb-messaging-core";
import { SimpleEventBus } from "./event";
import { SimpleCommandBus } from "./command";
import { SimpleQueryBus } from "./query";
/**
 * The symbol used to register {@link SimpleGateway}.
 *
 * @example Creation and destruction
 * ```typescript
 * import { Gateway } from "@tmorin/ceb-messaging-core"
 * import { SimpleGateway } from "@tmorin/ceb-messaging-simple"
 * const gateway : Gateway = SimpleGateway.create()
 * gateway.dispose().catche(e => console.error(e))
 * ```
 *
 * @example Global instance
 * ```typescript
 * import { MessageBuilder } from "@tmorin/ceb-messaging-core"
 * import { SimpleGateway } from "@tmorin/ceb-messaging-simple"
 * const event = MessageBuilder.event("EventA").build()
 * SimpleGateway.GLOBAL.events.publish(event)
 * ```
 */
export declare const SimpleGatewaySymbol: unique symbol;
export declare class SimpleGateway implements Gateway {
    #private;
    readonly events: SimpleEventBus;
    readonly commands: SimpleCommandBus;
    readonly queries: SimpleQueryBus;
    readonly emitter: EmittableGateway;
    readonly observer: ObservableGateway;
    constructor(events: SimpleEventBus, commands: SimpleCommandBus, queries: SimpleQueryBus, emitter: EmittableGateway, observer?: ObservableGateway);
    /**
     * The global instance.
     *
     * The {@link SimpleGateway} instance is lazily creation.
     */
    static get GLOBAL(): SimpleGateway;
    /**
     * A factory method which creates a new {@link SimpleGateway} at each call.
     * The instance is created with the default {@link GatewayEmitter}, {@link SimpleEventBus}, {@link SimpleCommandBus} and {@link SimpleQueryBus}.
     */
    static create(): SimpleGateway;
    /**
     * Dispose all channels:
     *
     * - events
     * - commands
     * - queries
     * - observer
     */
    dispose(): Promise<void>;
}