diff --git a/types/i18next-browser-languagedetector/i18next-browser-languagedetector-tests.ts b/types/i18next-browser-languagedetector/i18next-browser-languagedetector-tests.ts
index 9f36a7d538..eadfcea369 100644
--- a/types/i18next-browser-languagedetector/i18next-browser-languagedetector-tests.ts
+++ b/types/i18next-browser-languagedetector/i18next-browser-languagedetector-tests.ts
@@ -1,31 +1,40 @@
-import * as i18next from 'i18next';
-import LngDetector from 'i18next-browser-languagedetector';
+import * as i18next from "i18next";
+import * as LngDetector from "i18next-browser-languagedetector";
 
-var options = {
+const options: LngDetector.DetectorOptions = {
     // order and from where user language should be detected
-    order: ['querystring', 'cookie', 'localStorage', 'navigator'],
+    order: ["querystring", "cookie", "localStorage", "navigator", "htmlTag"],
 
     // keys or params to lookup language from
-    lookupQuerystring: 'lng',
-    lookupCookie: 'i18next',
-    lookupLocalStorage: 'i18nextLng',
+    lookupQuerystring: "lng",
+    lookupCookie: "i18next",
+    lookupLocalStorage: "i18nextLng",
 
     // cache user language on
-    caches: ['localStorage', 'cookie'],
+    caches: ["localStorage", "cookie"],
+    excludeCacheFor: ["cimode"], // languages to not persist (cookie, localStorage)
 
     // optional expire and domain for set cookie
     cookieMinutes: 10,
-    cookieDomain: 'myDomain'
-};
-var myDetector = {
-    name: 'myDetectorsName',
+    cookieDomain: "myDomain",
 
-    lookup(options: Object) {
+    // optional htmlTag with lang attribute, the default is:
+    htmlTag: document.documentElement
+};
+
+i18next.use(LngDetector).init({
+    detection: options
+});
+
+const customDetector: LngDetector.CustomDetector = {
+    name: "myDetectorsName",
+
+    lookup(options: LngDetector.DetectorOptions) {
         // options -> are passed in options
-        return 'en';
+        return "en";
     },
 
-    cacheUserLanguage(lng: string, options: Object) {
+    cacheUserLanguage(lng: string, options: LngDetector.DetectorOptions) {
         // options -> are passed in options
         // lng -> current language, will be called after init and on changeLanguage
 
@@ -33,10 +42,20 @@ var myDetector = {
     }
 };
 
-i18next.use(LngDetector).init({
-    detection: options
-});
+const customDetector2: LngDetector.CustomDetector = {
+    name: "myDetectorsName",
+    lookup(options: LngDetector.DetectorOptions) {
+        return undefined;
+    }
+};
 
 const lngDetector = new LngDetector(null, options);
+
 lngDetector.init(options);
-lngDetector.addDetector(myDetector);
+lngDetector.addDetector(customDetector);
+
+i18next
+    .use(lngDetector)
+    .init({
+        detection: options
+    });
diff --git a/types/i18next-browser-languagedetector/index.d.ts b/types/i18next-browser-languagedetector/index.d.ts
index 906910fa49..1e85fd81e4 100644
--- a/types/i18next-browser-languagedetector/index.d.ts
+++ b/types/i18next-browser-languagedetector/index.d.ts
@@ -1,86 +1,64 @@
-// Type definitions for i18next-browser-languagedetector 0.0.14
+// Type definitions for i18next-browser-languagedetector 2.0
 // Project: http://i18next.com/
-// Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>
+// Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>, Giedrius Grabauskas <https://github.com/GiedriusGrabauskas>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-/// <reference types="i18next"/>
-/// <reference types="express" />
-
-declare namespace I18next {
-    interface I18nextStatic extends i18nextBrowserLanguageDetector.I18nextStatic { }
-    interface I18nextOptions extends i18nextBrowserLanguageDetector.I18nextOptions { }
-}
-
 declare namespace i18nextBrowserLanguageDetector {
-    /**
-     * @summary Interface for Language detector options.
-     * @interface
-     */
-    interface LanguageDetectorOptions {
-        caches?: Array<string>|boolean;
-        cookieDomain?: string;
-        cookieExpirationDate?: Date;
-        lookupCookie?: string;
-        lookupFromPathIndex?: number;
+    interface DetectorOptions {
+        /**
+         * order and from where user language should be detected
+         */
+        order?: Array<"querystring" | "cookie" | "localStorage" | "navigator" | "htmlTag" | string>;
+
+        /**
+         * keys or params to lookup language from
+         */
         lookupQuerystring?: string;
-        lookupSession?: string;
-        order?: Array<string>;
+        lookupCookie?: string;
+        lookupLocalStorage?: string;
+
+        /**
+         * cache user language on
+         */
+        caches?: string[];
+
+        /**
+         * languages to not persist (cookie, localStorage)
+         */
+        excludeCacheFor?: string[];
+
+        /**
+         * optional expire and domain for set cookie
+         * @default 10
+         */
+        cookieMinutes?: number;
+        cookieDomain?: string;
+
+        /**
+         * optional htmlTag with lang attribute
+         * @default document.documentElement
+         */
+        htmlTag?: HTMLElement;
     }
 
-    /**
-     * @summary Interface for custom detector.
-     * @interface
-     */
     interface CustomDetector {
         name: string;
-
-        //todo: Checks paramters type.
-        cacheUserLanguage: (lng: string, options: Object) => void;
-        lookup: (options: Object) => string;
-    }
-
-    /**
-     * @summary i18next options.
-     * @interface
-     */
-    interface I18nextOptions {
-        detection?: LanguageDetectorOptions;
-    }
-
-    /**
-     * @summary i18next interface.
-     * @interface
-     */
-    interface I18nextStatic {
-        use(module: LngDetector): I18nextStatic;
-    }
-
-    /**
-     * @summary i18next language detection.
-     * @class
-     */
-    class LngDetector {
-        /**
-         * @summary Constructor.
-         * @constructor
-         */
-        constructor(services?: any, options?: LanguageDetectorOptions);
-
-        /**
-         * @summary Adds detector.
-         * @param {CustomDetector} detector The custom detector.
-         */
-        addDetector(detector: CustomDetector): LngDetector;
-
-        /**
-         * @summary Initializes detector.
-         * @param {LanguageDetectorOptions} options The options.
-         */
-        init(options?: LanguageDetectorOptions): void;
+        cacheUserLanguage?(lng: string, options: DetectorOptions): void;
+        lookup(options: DetectorOptions): string | undefined;
     }
 }
 
-declare module "i18next-browser-languagedetector" {
+declare class i18nextBrowserLanguageDetector {
+    constructor(services?: any, options?: i18nextBrowserLanguageDetector.DetectorOptions);
+    /**
+     * Adds detector.
+     */
+    addDetector(detector: i18nextBrowserLanguageDetector.CustomDetector): i18nextBrowserLanguageDetector;
 
-    export default i18nextBrowserLanguageDetector.LngDetector;
+    /**
+     * Initializes detector.
+     */
+    init(options?: i18nextBrowserLanguageDetector.DetectorOptions): void;
 }
+
+export = i18nextBrowserLanguageDetector;
diff --git a/types/i18next-browser-languagedetector/tsconfig.json b/types/i18next-browser-languagedetector/tsconfig.json
index 15c0de0371..eeb1bd7670 100644
--- a/types/i18next-browser-languagedetector/tsconfig.json
+++ b/types/i18next-browser-languagedetector/tsconfig.json
@@ -2,11 +2,12 @@
     "compilerOptions": {
         "module": "commonjs",
         "lib": [
-            "es6"
+            "es6",
+            "dom"
         ],
         "noImplicitAny": true,
         "noImplicitThis": true,
-        "strictNullChecks": false,
+        "strictNullChecks": true,
         "baseUrl": "../",
         "typeRoots": [
             "../"
@@ -19,4 +20,4 @@
         "index.d.ts",
         "i18next-browser-languagedetector-tests.ts"
     ]
-}
\ No newline at end of file
+}
diff --git a/types/i18next-browser-languagedetector/tslint.json b/types/i18next-browser-languagedetector/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/i18next-browser-languagedetector/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }
diff --git a/types/i18next-browser-languagedetector/v0/i18next-browser-languagedetector-tests.ts b/types/i18next-browser-languagedetector/v0/i18next-browser-languagedetector-tests.ts
new file mode 100644
index 0000000000..0217ca74ce
--- /dev/null
+++ b/types/i18next-browser-languagedetector/v0/i18next-browser-languagedetector-tests.ts
@@ -0,0 +1,42 @@
+import * as i18next from 'i18next';
+import LngDetector from 'i18next-browser-languagedetector';
+
+const options = {
+    // order and from where user language should be detected
+    order: ['querystring', 'cookie', 'localStorage', 'navigator'],
+
+    // keys or params to lookup language from
+    lookupQuerystring: 'lng',
+    lookupCookie: 'i18next',
+    lookupLocalStorage: 'i18nextLng',
+
+    // cache user language on
+    caches: ['localStorage', 'cookie'],
+
+    // optional expire and domain for set cookie
+    cookieMinutes: 10,
+    cookieDomain: 'myDomain'
+};
+const myDetector = {
+    name: 'myDetectorsName',
+
+    lookup(options: {}) {
+        // options -> are passed in options
+        return 'en';
+    },
+
+    cacheUserLanguage(lng: string, options: {}) {
+        // options -> are passed in options
+        // lng -> current language, will be called after init and on changeLanguage
+
+        // store it
+    }
+};
+
+i18next.use(LngDetector).init({
+    detection: options
+});
+
+const lngDetector = new LngDetector(null, options);
+lngDetector.init(options);
+lngDetector.addDetector(myDetector);
diff --git a/types/i18next-browser-languagedetector/v0/index.d.ts b/types/i18next-browser-languagedetector/v0/index.d.ts
new file mode 100644
index 0000000000..424573f9b8
--- /dev/null
+++ b/types/i18next-browser-languagedetector/v0/index.d.ts
@@ -0,0 +1,82 @@
+// Type definitions for i18next-browser-languagedetector 0.0
+// Project: http://i18next.com/
+// Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>, Giedrius Grabauskas <https://github.com/GiedriusGrabauskas>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+import * as i18next from "i18next";
+
+declare namespace I18next {
+    interface I18nextStatic extends i18nextBrowserLanguageDetector.I18nextStatic { }
+    interface I18nextOptions extends i18nextBrowserLanguageDetector.I18nextOptions { }
+}
+
+declare namespace i18nextBrowserLanguageDetector {
+    /**
+     * @summary Interface for Language detector options.
+     * @interface
+     */
+    interface LanguageDetectorOptions {
+        caches?: string[] | boolean;
+        cookieDomain?: string;
+        cookieExpirationDate?: Date;
+        lookupCookie?: string;
+        lookupFromPathIndex?: number;
+        lookupQuerystring?: string;
+        lookupSession?: string;
+        order?: string[];
+    }
+
+    /**
+     * @summary Interface for custom detector.
+     * @interface
+     */
+    interface CustomDetector {
+        name: string;
+
+        // todo: Checks paramters type.
+        cacheUserLanguage(lng: string, options: {}): void;
+        lookup(options: {}): string;
+    }
+
+    /**
+     * @summary i18next options.
+     * @interface
+     */
+    interface I18nextOptions {
+        detection?: LanguageDetectorOptions;
+    }
+
+    /**
+     * @summary i18next interface.
+     * @interface
+     */
+    interface I18nextStatic {
+        use(module: LngDetector): I18nextStatic;
+    }
+
+    /**
+     * @summary i18next language detection.
+     * @class
+     */
+    class LngDetector {
+        /**
+         * @summary Constructor.
+         * @constructor
+         */
+        constructor(services?: any, options?: LanguageDetectorOptions);
+
+        /**
+         * @summary Adds detector.
+         * @param {CustomDetector} detector The custom detector.
+         */
+        addDetector(detector: CustomDetector): LngDetector;
+
+        /**
+         * @summary Initializes detector.
+         * @param {LanguageDetectorOptions} options The options.
+         */
+        init(options?: LanguageDetectorOptions): void;
+    }
+}
+
+export default i18nextBrowserLanguageDetector.LngDetector;
diff --git a/types/i18next-browser-languagedetector/v0/tsconfig.json b/types/i18next-browser-languagedetector/v0/tsconfig.json
new file mode 100644
index 0000000000..61e38c316d
--- /dev/null
+++ b/types/i18next-browser-languagedetector/v0/tsconfig.json
@@ -0,0 +1,27 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../../",
+        "typeRoots": [
+            "../../"
+        ],
+        "paths": {
+            "i18next-browser-languagedetector": [
+                "i18next-browser-languagedetector/v0"
+            ]
+        },
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "i18next-browser-languagedetector-tests.ts"
+    ]
+}
diff --git a/types/i18next-browser-languagedetector/v0/tslint.json b/types/i18next-browser-languagedetector/v0/tslint.json
new file mode 100644
index 0000000000..af6baaddc0
--- /dev/null
+++ b/types/i18next-browser-languagedetector/v0/tslint.json
@@ -0,0 +1,11 @@
+{
+    "extends": "dtslint/dt.json",
+    "rules": {
+        "interface-name": [
+            false
+        ],
+        "no-empty-interface": [
+            false
+        ]
+    }
+}