import { Disposable } from "@anz-bank/vscode-sysl-model";
import { ProtocolNotificationType } from "vscode-languageserver-protocol";
import { NotificationSender } from "../views/events";
import { Views } from "../views/types";
/**
 * Routes events between a plugin and the renderer.
 *
 * The router receives plugin events via {@link client} and forwards those that are relevent to the
 * renderer via {@link views}. Similarly, events emitted by the renderer are received via listeners
 * in {@link views} and forwarded to the plugin via {@link client} (using a {@link Notifier}).
 */
export declare class LspPluginClientRouter implements Disposable {
    private readonly views;
    private readonly client;
    private readonly notifier;
    private readonly subscriptions;
    constructor(views: Views, client: LanguageClient);
    start(): Promise<Disposable[]>;
    dispose(): void;
}
/** A non-VS Code-specific interface for language clients. */
export interface LanguageClient extends NotificationSender {
    start(): Promise<void>;
    onNotification<T>(type: ProtocolNotificationType<T, void>, listener: (e: T) => any): void;
    sendNotification<T>(notificationType: ProtocolNotificationType<T, void>, payload: T): void;
}
/** A language client that records interactions. */
export declare class LanguageClientSpy implements LanguageClient {
    started: boolean;
    listeners: {
        [key: string]: ((e: any) => any)[];
    };
    received: [string, any][];
    sent: [string, any][];
    acceptNotification<T>(type: ProtocolNotificationType<T, void>, payload: any): void;
    onNotification<T>(type: ProtocolNotificationType<T, void>, listener: (e: any) => any): void;
    sendNotification<T>(notificationType: ProtocolNotificationType<T, void>, payload: T): Promise<void>;
    start(): Promise<void>;
}