diff --git a/.npmignore b/.npmignore
index 130fdb1..267876c 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,6 +1,5 @@
 # source
 lib
-index.ts
 package-lock.json
 tsconfig.json
 .prettierrc
diff --git a/index.d.ts b/index.d.ts
deleted file mode 100644
index 5703fb5..0000000
--- a/index.d.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './dist';
diff --git a/index.js b/index.js
deleted file mode 100644
index a82ea05..0000000
--- a/index.js
+++ /dev/null
@@ -1,6 +0,0 @@
-"use strict";
-function __export(m) {
-    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
-}
-exports.__esModule = true;
-__export(require("./dist"));
\ No newline at end of file
diff --git a/index.ts b/index.ts
deleted file mode 100644
index 5703fb5..0000000
--- a/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './dist';
diff --git a/lib/decorators/core/on.decorator.ts b/lib/decorators/core/on.decorator.ts
index 3bef944..17b052b 100644
--- a/lib/decorators/core/on.decorator.ts
+++ b/lib/decorators/core/on.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafUpdateType } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface OnOptions {
  */
 export const On = (updateTypes: TelegrafUpdateType): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.On),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.On),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       updateTypes,
     } as OnOptions),
   );
diff --git a/lib/decorators/core/update.decorator.ts b/lib/decorators/core/update.decorator.ts
index fde0d76..2002fec 100644
--- a/lib/decorators/core/update.decorator.ts
+++ b/lib/decorators/core/update.decorator.ts
@@ -1,9 +1,8 @@
 import { SetMetadata } from '@nestjs/common';
-import { TELEGRAF_UPDATE_METADATA } from '../../telegraf.constants';
+import { UPDATE_METADATA } from '../../telegraf.constants';
 
 /**
  * `@Update` decorator, it's like NestJS `@Controller` decorator,
  * but for Telegram Bot API updates.
  */
-export const Update = (): ClassDecorator =>
-  SetMetadata(TELEGRAF_UPDATE_METADATA, true);
+export const Update = (): ClassDecorator => SetMetadata(UPDATE_METADATA, true);
diff --git a/lib/decorators/core/use.decorator.ts b/lib/decorators/core/use.decorator.ts
index 72fc62e..8b393e6 100644
--- a/lib/decorators/core/use.decorator.ts
+++ b/lib/decorators/core/use.decorator.ts
@@ -1,5 +1,5 @@
 import { SetMetadata } from '@nestjs/common';
-import { LISTENER_TYPE_METADATA } from '../../telegraf.constants';
+import { UPDATE_LISTENER_TYPE_METADATA } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 
 /**
@@ -8,5 +8,5 @@ import { ListenerType } from '../../enums/listener-type.enum';
  * @see https://telegraf.js.org/#/?id=use
  */
 export const Use = (): MethodDecorator => {
-  return SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Use);
+  return SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Use);
 };
diff --git a/lib/decorators/listeners/action.decorator.ts b/lib/decorators/listeners/action.decorator.ts
index 502b1b0..1a8a5a1 100644
--- a/lib/decorators/listeners/action.decorator.ts
+++ b/lib/decorators/listeners/action.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { TelegrafActionTriggers } from '../../telegraf.types';
 import { ListenerType } from '../../enums/listener-type.enum';
@@ -17,8 +17,8 @@ export interface ActionOptions {
  */
 export const Action = (triggers: TelegrafActionTriggers): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Action),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Action),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       triggers,
     } as ActionOptions),
   );
diff --git a/lib/decorators/listeners/cashtag.decorator.ts b/lib/decorators/listeners/cashtag.decorator.ts
index d9784cf..8b4f859 100644
--- a/lib/decorators/listeners/cashtag.decorator.ts
+++ b/lib/decorators/listeners/cashtag.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { TelegrafCashtag } from '../../telegraf.types';
 import { ListenerType } from '../../enums/listener-type.enum';
@@ -17,8 +17,8 @@ export interface CashtagOptions {
  */
 export const Cashtag = (cashtag: TelegrafCashtag): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Cashtag),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Cashtag),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       cashtag,
     } as CashtagOptions),
   );
diff --git a/lib/decorators/listeners/command.decorator.ts b/lib/decorators/listeners/command.decorator.ts
index eb4b01e..15d4d36 100644
--- a/lib/decorators/listeners/command.decorator.ts
+++ b/lib/decorators/listeners/command.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafCommand } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface CommandOptions {
  */
 export const Command = (command: TelegrafCommand): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Command),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Command),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       command: command,
     } as CommandOptions),
   );
diff --git a/lib/decorators/listeners/email.decorator.ts b/lib/decorators/listeners/email.decorator.ts
index 9f890fe..23aad1b 100644
--- a/lib/decorators/listeners/email.decorator.ts
+++ b/lib/decorators/listeners/email.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafEmail } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface EmailOptions {
  */
 export const Email = (email: TelegrafEmail): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Email),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Email),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       email,
     } as EmailOptions),
   );
diff --git a/lib/decorators/listeners/game-query.decorator.ts b/lib/decorators/listeners/game-query.decorator.ts
index 25e0410..898b1d5 100644
--- a/lib/decorators/listeners/game-query.decorator.ts
+++ b/lib/decorators/listeners/game-query.decorator.ts
@@ -1,5 +1,5 @@
 import { SetMetadata } from '@nestjs/common';
-import { LISTENER_TYPE_METADATA } from '../../telegraf.constants';
+import { UPDATE_LISTENER_TYPE_METADATA } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 
 /**
@@ -8,5 +8,5 @@ import { ListenerType } from '../../enums/listener-type.enum';
  * @see https://telegraf.js.org/#/?id=inlinequery
  */
 export const GameQuery = (): MethodDecorator => {
-  return SetMetadata(LISTENER_TYPE_METADATA, ListenerType.GameQuery);
+  return SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.GameQuery);
 };
diff --git a/lib/decorators/listeners/hashtag.decorator.ts b/lib/decorators/listeners/hashtag.decorator.ts
index 4c86618..4d344c6 100644
--- a/lib/decorators/listeners/hashtag.decorator.ts
+++ b/lib/decorators/listeners/hashtag.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafHashtag } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface HashtagOptions {
  */
 export const Hashtag = (hashtag: TelegrafHashtag): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Hashtag),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Hashtag),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       hashtag,
     } as HashtagOptions),
   );
diff --git a/lib/decorators/listeners/hears.decorator.ts b/lib/decorators/listeners/hears.decorator.ts
index cef3453..1f2f93e 100644
--- a/lib/decorators/listeners/hears.decorator.ts
+++ b/lib/decorators/listeners/hears.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafHearsTriggers } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface HearsOptions {
  */
 export const Hears = (triggers: TelegrafHearsTriggers): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Hears),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Hears),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       triggers,
     } as HearsOptions),
   );
diff --git a/lib/decorators/listeners/help.decorator.ts b/lib/decorators/listeners/help.decorator.ts
index 2fec408..9909f1d 100644
--- a/lib/decorators/listeners/help.decorator.ts
+++ b/lib/decorators/listeners/help.decorator.ts
@@ -1,5 +1,5 @@
 import { SetMetadata } from '@nestjs/common';
-import { LISTENER_TYPE_METADATA } from '../../telegraf.constants';
+import { UPDATE_LISTENER_TYPE_METADATA } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 
 /**
@@ -8,5 +8,5 @@ import { ListenerType } from '../../enums/listener-type.enum';
  * @see https://telegraf.js.org/#/?id=help
  */
 export const Help = (): MethodDecorator => {
-  return SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Help);
+  return SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Help);
 };
diff --git a/lib/decorators/listeners/inline-query.decorator.ts b/lib/decorators/listeners/inline-query.decorator.ts
index 70da417..f9a4efd 100644
--- a/lib/decorators/listeners/inline-query.decorator.ts
+++ b/lib/decorators/listeners/inline-query.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafInlineQueryTriggers } from '../../telegraf.types';
@@ -19,8 +19,8 @@ export const InlineQuery = (
   triggers: TelegrafInlineQueryTriggers,
 ): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.InlineQuery),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.InlineQuery),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       triggers,
     } as InlineQueryOptions),
   );
diff --git a/lib/decorators/listeners/mention.decorator.ts b/lib/decorators/listeners/mention.decorator.ts
index a703a23..db25ff8 100644
--- a/lib/decorators/listeners/mention.decorator.ts
+++ b/lib/decorators/listeners/mention.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafMention } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface MentionOptions {
  */
 export const Mention = (mention: TelegrafMention): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Mention),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Mention),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       mention,
     } as MentionOptions),
   );
diff --git a/lib/decorators/listeners/phone.decorator.ts b/lib/decorators/listeners/phone.decorator.ts
index b0b794b..f327762 100644
--- a/lib/decorators/listeners/phone.decorator.ts
+++ b/lib/decorators/listeners/phone.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafPhone } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface PhoneOptions {
  */
 export const Phone = (phone: TelegrafPhone): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Phone),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Phone),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       phone,
     } as PhoneOptions),
   );
diff --git a/lib/decorators/listeners/settings.decorator.ts b/lib/decorators/listeners/settings.decorator.ts
index 6bbb86b..8c25331 100644
--- a/lib/decorators/listeners/settings.decorator.ts
+++ b/lib/decorators/listeners/settings.decorator.ts
@@ -1,5 +1,5 @@
 import { SetMetadata } from '@nestjs/common';
-import { LISTENER_TYPE_METADATA } from '../../telegraf.constants';
+import { UPDATE_LISTENER_TYPE_METADATA } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 
 /**
@@ -8,5 +8,5 @@ import { ListenerType } from '../../enums/listener-type.enum';
  * @see https://telegraf.js.org/#/?id=settings
  */
 export const Settings = (): MethodDecorator => {
-  return SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Settings);
+  return SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Settings);
 };
diff --git a/lib/decorators/listeners/start.decorator.ts b/lib/decorators/listeners/start.decorator.ts
index b6d3025..6de6e55 100644
--- a/lib/decorators/listeners/start.decorator.ts
+++ b/lib/decorators/listeners/start.decorator.ts
@@ -1,5 +1,5 @@
 import { SetMetadata } from '@nestjs/common';
-import { LISTENER_TYPE_METADATA } from '../../telegraf.constants';
+import { UPDATE_LISTENER_TYPE_METADATA } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 
 /**
@@ -8,5 +8,5 @@ import { ListenerType } from '../../enums/listener-type.enum';
  * @see https://telegraf.js.org/#/?id=start
  */
 export const Start = (): MethodDecorator => {
-  return SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Start);
+  return SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Start);
 };
diff --git a/lib/decorators/listeners/text-link.decorator.ts b/lib/decorators/listeners/text-link.decorator.ts
index 7dedd6f..cfefc96 100644
--- a/lib/decorators/listeners/text-link.decorator.ts
+++ b/lib/decorators/listeners/text-link.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafTextLink } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface TextLinkOptions {
  */
 export const TetxLink = (link: TelegrafTextLink): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.TextLink),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.TextLink),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       link,
     } as TextLinkOptions),
   );
diff --git a/lib/decorators/listeners/text-mention.decorator.ts b/lib/decorators/listeners/text-mention.decorator.ts
index b098c4e..fc8cecc 100644
--- a/lib/decorators/listeners/text-mention.decorator.ts
+++ b/lib/decorators/listeners/text-mention.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafTextMention } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface TextMentionOptions {
  */
 export const TetxMention = (mention: TelegrafTextMention): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.TextMention),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.TextMention),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       mention,
     } as TextMentionOptions),
   );
diff --git a/lib/decorators/listeners/url.decorator.ts b/lib/decorators/listeners/url.decorator.ts
index e38167e..b104dd2 100644
--- a/lib/decorators/listeners/url.decorator.ts
+++ b/lib/decorators/listeners/url.decorator.ts
@@ -1,7 +1,7 @@
 import { applyDecorators, SetMetadata } from '@nestjs/common';
 import {
-  LISTENER_OPTIONS_METADATA,
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_OPTIONS_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
 } from '../../telegraf.constants';
 import { ListenerType } from '../../enums/listener-type.enum';
 import { TelegrafUrl } from '../../telegraf.types';
@@ -17,8 +17,8 @@ export interface UrlOptions {
  */
 export const Url = (url: TelegrafUrl): MethodDecorator => {
   return applyDecorators(
-    SetMetadata(LISTENER_TYPE_METADATA, ListenerType.Url),
-    SetMetadata(LISTENER_OPTIONS_METADATA, {
+    SetMetadata(UPDATE_LISTENER_TYPE_METADATA, ListenerType.Url),
+    SetMetadata(UPDATE_LISTENER_OPTIONS_METADATA, {
       url,
     } as UrlOptions),
   );
diff --git a/lib/telegraf.constants.ts b/lib/telegraf.constants.ts
index 16fa981..6bba348 100644
--- a/lib/telegraf.constants.ts
+++ b/lib/telegraf.constants.ts
@@ -1,5 +1,6 @@
 export const TELEGRAF_MODULE_OPTIONS = 'TELEGRAF_MODULE_OPTIONS';
 
-export const TELEGRAF_UPDATE_METADATA = 'TELEGRAF_UPDATE_METADATA';
-export const LISTENER_TYPE_METADATA = 'LISTENER_TYPE_METADATA';
-export const LISTENER_OPTIONS_METADATA = 'LISTENER_OPTIONS_METADATA';
+export const UPDATE_METADATA = 'UPDATE_METADATA';
+export const UPDATE_LISTENER_TYPE_METADATA = 'UPDATE_LISTENER_TYPE_METADATA';
+export const UPDATE_LISTENER_OPTIONS_METADATA =
+  'UPDATE_LISTENER_OPTIONS_METADATA';
diff --git a/lib/telegraf.explorer.ts b/lib/telegraf.explorer.ts
index fa805b9..4df95e5 100644
--- a/lib/telegraf.explorer.ts
+++ b/lib/telegraf.explorer.ts
@@ -1,7 +1,7 @@
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { DiscoveryService, ModuleRef } from '@nestjs/core';
 import { MetadataScanner } from '@nestjs/core/metadata-scanner';
-import { TelegrafMetadataAccessor } from './telegraf-metadata.accessor';
+import { TelegrafMetadataAccessor } from './telegraf.metadata-accessor';
 import { TelegrafProvider } from './telegraf.provider';
 import { ListenerType } from './enums';
 import {
@@ -19,6 +19,7 @@ import {
   TextMentionOptions,
   UrlOptions,
 } from './decorators';
+import { InstanceWrapper } from '@nestjs/core/injector/instance-wrapper';
 
 @Injectable()
 export class TelegrafExplorer implements OnModuleInit {
@@ -39,29 +40,29 @@ export class TelegrafExplorer implements OnModuleInit {
   }
 
   explore(): void {
-    this.discoveryService
+    const updateInstanceWrappers = this.filterUpdateClass();
+
+    updateInstanceWrappers.forEach((wrapper) => {
+      const { instance } = wrapper;
+
+      const prototype = Object.getPrototypeOf(instance);
+      this.metadataScanner.scanFromPrototype(
+        instance,
+        prototype,
+        (methodKey: string) =>
+          this.registerIfUpdateListener(instance, methodKey),
+      );
+    });
+  }
+
+  private filterUpdateClass(): InstanceWrapper[] {
+    return this.discoveryService
       .getProviders()
       .filter((wrapper) => wrapper.instance)
-      .forEach((wrapper) => {
-        const { instance } = wrapper;
-
-        const prototype = Object.getPrototypeOf(instance);
-        this.metadataScanner.scanFromPrototype(
-          instance,
-          prototype,
-          (methodKey: string) => this.registerIfUpdate(instance, methodKey),
-        );
-      });
+      .filter((wrapper) => this.metadataAccessor.isUpdate(wrapper.instance));
   }
 
-  private registerIfUpdate(
-    instance: Record<string, Function>,
-    methodKey: string,
-  ): void {
-    const isUpdate = this.metadataAccessor.isUpdate(instance);
-  }
-
-  private registerIfListener(
+  private registerIfUpdateListener(
     instance: Record<string, Function>,
     methodKey: string,
   ): void {
diff --git a/lib/telegraf-metadata.accessor.ts b/lib/telegraf.metadata-accessor.ts
similarity index 73%
rename from lib/telegraf-metadata.accessor.ts
rename to lib/telegraf.metadata-accessor.ts
index f61bb3a..29b5c68 100644
--- a/lib/telegraf-metadata.accessor.ts
+++ b/lib/telegraf.metadata-accessor.ts
@@ -1,9 +1,9 @@
 import { Injectable } from '@nestjs/common';
 import { Reflector } from '@nestjs/core';
 import {
-  LISTENER_TYPE_METADATA,
+  UPDATE_LISTENER_TYPE_METADATA,
   TELEGRAF_MODULE_OPTIONS,
-  TELEGRAF_UPDATE_METADATA,
+  UPDATE_METADATA,
 } from './telegraf.constants';
 import { ListenerType } from './enums';
 
@@ -12,14 +12,14 @@ export class TelegrafMetadataAccessor {
   constructor(private readonly reflector: Reflector) {}
 
   isUpdate(target: Function): boolean {
-    return !!this.reflector.get<true | undefined>(
-      TELEGRAF_UPDATE_METADATA,
-      target,
-    );
+    return !!this.reflector.get<true | undefined>(UPDATE_METADATA, target);
   }
 
   getListenerType(target: Function): ListenerType | undefined {
-    return this.reflector.get<ListenerType>(LISTENER_TYPE_METADATA, target);
+    return this.reflector.get<ListenerType>(
+      UPDATE_LISTENER_TYPE_METADATA,
+      target,
+    );
   }
 
   getListenerOptions<T>(target: Function): unknown | undefined {
diff --git a/lib/telegraf.module.ts b/lib/telegraf.module.ts
index 77bf8b5..f0e82a2 100644
--- a/lib/telegraf.module.ts
+++ b/lib/telegraf.module.ts
@@ -6,7 +6,7 @@ import {
   TelegrafOptionsFactory,
 } from './interfaces';
 import { TELEGRAF_MODULE_OPTIONS } from './telegraf.constants';
-import { TelegrafMetadataAccessor } from './telegraf-metadata.accessor';
+import { TelegrafMetadataAccessor } from './telegraf.metadata-accessor';
 import { TelegrafExplorer } from './telegraf.explorer';
 import { TelegrafProvider } from './telegraf.provider';
 
diff --git a/package.json b/package.json
index 16b1ffc..9756227 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nestjs-telegraf",
-  "version": "2.0.0-alpha.1",
+  "version": "2.0.0",
   "description": "Telegraf module for NestJS",
   "keywords": [
     "nest",
diff --git a/tsconfig.json b/tsconfig.json
index bb13608..e47f6d2 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -13,6 +13,6 @@
     "rootDir": "./lib",
     "skipLibCheck": true
   },
-  "include": ["lib/**/*", "../index.ts"],
+  "include": ["lib/**/*"],
   "exclude": ["node_modules", "**/*.spec.ts"]
 }