diff --git a/broid-viber/lib/core/Adapter.d.ts b/broid-viber/lib/core/Adapter.d.ts
new file mode 100644
index 00000000..6a0208d7
--- /dev/null
+++ b/broid-viber/lib/core/Adapter.d.ts
@@ -0,0 +1,30 @@
+import * as Promise from 'bluebird';
+import { Router } from 'express';
+import { Observable } from 'rxjs/Rx';
+import { IAdapterOptions } from './interfaces';
+export declare class Adapter {
+    private avatar;
+    private connected;
+    private logger;
+    private logLevel;
+    private me;
+    private parser;
+    private serviceID;
+    private session;
+    private storeUsers;
+    private token;
+    private username;
+    private router;
+    private webhookServer;
+    private webhookURL;
+    constructor(obj: IAdapterOptions);
+    users(): Promise<Map<string, any>>;
+    channels(): Promise<Error>;
+    serviceName(): string;
+    serviceId(): string;
+    getRouter(): Router | null;
+    connect(): Observable<object | Error>;
+    disconnect(): Promise<null>;
+    listen(): Observable<object>;
+    send(data: object): Promise<any>;
+}
diff --git a/broid-viber/lib/core/Parser.d.ts b/broid-viber/lib/core/Parser.d.ts
new file mode 100644
index 00000000..b6e9724d
--- /dev/null
+++ b/broid-viber/lib/core/Parser.d.ts
@@ -0,0 +1,13 @@
+import { IActivityStream } from '@broid/schemas';
+import * as Promise from 'bluebird';
+export declare class Parser {
+    serviceID: string;
+    generatorName: string;
+    private logger;
+    constructor(serviceName: string, serviceID: string, logLevel: string);
+    validate(event: any): Promise<any>;
+    parse(event: any): Promise<IActivityStream | null>;
+    normalize(evt: any): Promise<any>;
+    private createIdentifier();
+    private createActivityStream(normalized);
+}
diff --git a/broid-viber/lib/core/WebHookServer.d.ts b/broid-viber/lib/core/WebHookServer.d.ts
new file mode 100644
index 00000000..6c713aee
--- /dev/null
+++ b/broid-viber/lib/core/WebHookServer.d.ts
@@ -0,0 +1,14 @@
+import * as Promise from 'bluebird';
+import * as express from 'express';
+import { IAdapterHTTPOptions } from './interfaces';
+export declare class WebHookServer {
+    private express;
+    private logger;
+    private httpClient;
+    private host;
+    private port;
+    constructor(options: IAdapterHTTPOptions, router: express.Router, logLevel?: string);
+    listen(): void;
+    close(): Promise<null>;
+    private setupExpress(router);
+}
diff --git a/broid-viber/lib/core/index.d.ts b/broid-viber/lib/core/index.d.ts
new file mode 100644
index 00000000..6485757c
--- /dev/null
+++ b/broid-viber/lib/core/index.d.ts
@@ -0,0 +1,2 @@
+import { Adapter } from './Adapter';
+export = Adapter;
diff --git a/broid-viber/lib/core/interfaces.d.ts b/broid-viber/lib/core/interfaces.d.ts
new file mode 100644
index 00000000..c3c72a9b
--- /dev/null
+++ b/broid-viber/lib/core/interfaces.d.ts
@@ -0,0 +1,14 @@
+export interface IAdapterHTTPOptions {
+    host: string;
+    port: number;
+}
+export interface IAdapterOptions {
+    avatar: string;
+    http: IAdapterHTTPOptions;
+    logLevel: string;
+    serviceID: string;
+    token: string;
+    tokenSecret: string;
+    username: string;
+    webhookURL: string;
+}
diff --git a/broid-viber/lib/test/Parser.d.ts b/broid-viber/lib/test/Parser.d.ts
new file mode 100644
index 00000000..e69de29b
diff --git a/broid-viber/yarn.lock b/broid-viber/yarn.lock
index 6e3a8eb0..337273b8 100644
--- a/broid-viber/yarn.lock
+++ b/broid-viber/yarn.lock
@@ -21,11 +21,7 @@
     request "^2.81.0"
     valid-url "^1.0.9"
 
-"@types/node@*":
-  version "8.0.12"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-8.0.12.tgz#0560c3e8c9e3da0aa07d0b86e0b0a02b5fd29480"
-
-"@types/node@^7.0.12":
+"@types/node@*", "@types/node@^7.0.12":
   version "7.0.12"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-7.0.12.tgz#ae5f67a19c15f752148004db07cbbb372e69efc9"
 
@@ -3799,11 +3795,7 @@ uuid@^2.0.1:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-2.0.3.tgz#67e2e863797215530dff318e5bf9dcebfd47b21a"
 
-uuid@^3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
-
-uuid@^3.1.0:
+uuid@^3.0.0, uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"