diff --git a/index.d.ts b/index.d.ts
index 9bd5f10..2ed5e44 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -1,110 +1,212 @@
 /// <reference types="node" />
 
 declare module "minecraft-launcher-core" {
-    type OS = "windows" | "osx" | "linux";
-  
-    interface IOverrides {
-      minArgs?: number;
-      minecraftJar?: string;
-      versionJson?: string;
-      directory?: string;
-      natives?: string;
-      assetRoot?: string;
-      libraryRoot?: string;
-      cwd?: string;
-      detached?: boolean;
-      classes?: Array<string>;
-      maxSockets?: number;
-      url?: {
-        meta?: string;
-        resources?: string;
-        mavenForge?: string;
-        defaultRepoForge?: string;
-        fallbackMaven?: string;
-      };
-    }
-  
-    interface ILauncherOptions {
-      clientPackage?: string;
-      removePackage?: boolean;
-      installer?: string;
-      root: string;
-      os?: OS;
-      customLaunchArgs?: Array<string>;
-      customArgs?: Array<string>;
-      version: {
-        number: string;
-        type: string;
-        custom?: string;
-      };
-      memory: {
-        max: string | number;
-        min: string | number;
-      };
-      forge?: string;
-      javaPath?: string;
-      server?: {
-        host: string;
-        port: string;
-      };
-      proxy?: {
-        host: string;
-        port: string;
-        username?: string;
-        password?: string;
-      };
-      timeout?: number;
-      window?: {
-        width?: number;
-        height?: number;
-        fullscreen?: boolean;
-      };
-      overrides?: IOverrides;
-      authorization: Promise<IUser>;
-    }
-  
-    interface IUser {
-      access_token: string;
-      client_token: string;
-      uuid: string;
-      name: string;
-      user_properties: Partial<any>;
-    }
-  
-    interface IProfile {
-      id: number;
-      name: string;
-    }
-  
-    interface IAuthenticator {
-      getAuth(username: string, password?: string): Promise<IUser>;
-      validate(
-        access_token: string,
-        client_token: string
-      ): Promise<boolean | Partial<any>>;
-      refreshAuth(
-        access_token: string,
-        client_token: string,
-        selectedProfile: IProfile
-      ): Promise<IUser>;
-      invalidate(
-        access_token: string,
-        client_token: string
-      ): Promise<boolean | Partial<any>>;
-      signOut(
-        username: string,
-        password: string
-      ): Promise<boolean | Partial<any>>;
-      changeApiUrl(url: string): void;
-    }
-  
-    import { EventEmitter } from 'events'
-    import { ChildProcessWithoutNullStreams } from 'child_process'
-  
-    export class Client extends EventEmitter {
-      launch(options: ILauncherOptions): ChildProcessWithoutNullStreams | null;
-    }
-  
-    export const Authenticator: IAuthenticator;
+  type OS = "windows" | "osx" | "linux";
+
+  interface IOverrides {
+    minArgs?: number;
+    minecraftJar?: string;
+    versionJson?: string;
+    directory?: string;
+    natives?: string;
+    assetRoot?: string;
+    libraryRoot?: string;
+    cwd?: string;
+    detached?: boolean;
+    classes?: Array<string>;
+    maxSockets?: number;
+    url?: {
+      meta?: string;
+      resources?: string;
+      mavenForge?: string;
+      defaultRepoForge?: string;
+      fallbackMaven?: string;
+    };
   }
-  
\ No newline at end of file
+
+  interface ILauncherOptions {
+    /**
+     * Path or URL to the client package zip file.
+     */
+    clientPackage?: string;
+    /**
+     * if true MCLC will remove the client package zip file after its finished extracting.
+     */
+    removePackage?: boolean;
+    /**
+     * Path to installer being executed.
+     */
+    installer?: string;
+    /**
+     * Path where you want the launcher to work in.
+     * This will usually be your .minecraft folder
+     */
+    root: string;
+    /**
+     * OS override for minecraft natives
+     * 
+     * @default will autodetect
+     */
+    os?: OS;
+    /**
+     * Array of custom Minecraft arguments. 
+     */
+    customLaunchArgs?: Array<string>;
+    /**
+     * Array of custom Java arguments
+     */
+    customArgs?: Array<string>;
+    /**
+     * minecraft version info
+     */
+    version: {
+      /**
+       * Actual version. 
+       * 
+       * @example '1.16.4'
+       */
+      number: string;
+      /**
+       * type of release, usually `release` or `snapshot`
+       */
+      type: 'release' | 'snapshot' | string;
+      /**
+       * 	The name of the folder, jar file, and version json in the version folder. 
+       * 
+       * ` MCLM will look in the `versions` folder for this name
+       * @example '1.16.4-fabric'
+       */
+      custom?: string;
+    };
+    memory: {
+      /**
+       * Min amount of memory being used by Minecraft.
+       */
+      max: string | number;
+      /**
+       * Max amount of memory being used by Minecraft.
+       */
+      min: string | number;
+    };
+    /**
+     * Path to Forge Jar. 
+     * 
+     * Versions below 1.13 should be the "universal" jar while versions above 1.13+ should be the "installer" jar
+     */
+    forge?: string;
+    /**
+     * Path to the JRE executable file, will default to java if not entered.
+     */
+    javaPath?: string;
+    server?: {
+      /**
+       * 	Host url to the server, don't include the port.
+       */
+      host: string;
+      /**
+       * Port of the host url
+       * 
+       * @default 25565
+       */
+      port?: string;
+    };
+    proxy?: {
+      /**
+       * Host url to the proxy, don't include the port.
+       */
+      host: string;
+      /**
+       *  Username for the proxy.
+       * 
+       * @default 8080
+       */
+      port?: string;
+      /**
+       * Username for the proxy.
+       */
+      username?: string;
+      /**
+       * Password for the proxy.
+       */
+      password?: string;
+    };
+    /**
+     * Timeout on download requests.
+     */
+    timeout?: number;
+    window?: {
+      width?: number;
+      height?: number;
+      fullscreen?: boolean;
+    };
+    overrides?: IOverrides;
+    authorization: Promise<IUser>;
+  }
+
+  interface IUser {
+    access_token: string;
+    client_token: string;
+    uuid: string;
+    name: string;
+    user_properties: Partial<any>;
+  }
+
+  interface IProfile {
+    id: number;
+    name: string;
+  }
+
+  interface IAuthenticator {
+    /**
+     * @param username email if using a password, else the username
+     * @param password password for mojang account
+     */
+    getAuth(username: string, password?: string): Promise<IUser>;
+    /**
+     * 
+     * @param access_token Token being checked if it can be used to login with (online mode)
+     * @param client_token Client token being checked to see if there was a change of client (online mode)
+     */
+    validate(
+      access_token: string,
+      client_token: string
+    ): Promise<boolean | Partial<any>>;
+    /**
+     * 
+     * @param access_token Token being checked if it can be used to login with (online mode)
+     * @param client_token Client token being checked to see if there was a change of client (online mode)
+     */
+    refreshAuth(
+      access_token: string,
+      client_token: string,
+      selectedProfile: IProfile
+    ): Promise<IUser>;
+    /**
+     * 
+     * @param access_token Token being checked if it can be used to login with (online mode)
+     * @param client_token Client token being checked to see if there was a change of client (online mode)
+     */
+    invalidate(
+      access_token: string,
+      client_token: string
+    ): Promise<boolean | Partial<any>>;
+    /**
+      * @param username email if using a password, else the username
+      * @param password password for mojang account
+      */
+    signOut(
+      username: string,
+      password: string
+    ): Promise<boolean | Partial<any>>;
+    changeApiUrl(url: string): void;
+  }
+
+  import { EventEmitter } from 'events'
+  import { ChildProcessWithoutNullStreams } from 'child_process'
+
+  export class Client extends EventEmitter {
+    launch(options: ILauncherOptions): ChildProcessWithoutNullStreams | null;
+  }
+
+  export const Authenticator: IAuthenticator;
+}
diff --git a/package-lock.json b/package-lock.json
index fd2a9e6..22e5e05 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "minecraft-launcher-core",
-  "version": "3.14.6",
+  "version": "3.16.1",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {