methods classes: enable/dissable methods to builder style

src/main/java/org/telegram/telegrambots/api/methods/send/SendAudio.java

@@ -130,12 +130,14 @@ public class SendAudio {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendAudio enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendAudio disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public boolean isNewAudio() {

src/main/java/org/telegram/telegrambots/api/methods/send/SendContact.java

@@ -72,12 +72,14 @@ public class SendContact extends BotApiMethod<Message> {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendContact enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendContact disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public String getPhoneNumber() {

src/main/java/org/telegram/telegrambots/api/methods/send/SendDocument.java

@@ -82,12 +82,14 @@ public class SendDocument {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendDocument enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendDocument disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public String getCaption() {

src/main/java/org/telegram/telegrambots/api/methods/send/SendLocation.java

@@ -87,12 +87,14 @@ public class SendLocation extends BotApiMethod<Message> {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendLocation enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendLocation disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     @Override

src/main/java/org/telegram/telegrambots/api/methods/send/SendMessage.java

@@ -89,36 +89,42 @@ public class SendMessage extends BotApiMethod<Message> {
         return disableNotification;
     }
 
-    public void disableWebPagePreview() {
+    public SendMessage disableWebPagePreview() {
         disableWebPagePreview = true;
+        return this;
     }
 
-    public void enableWebPagePreview() {
+    public SendMessage enableWebPagePreview() {
         disableWebPagePreview = null;
+        return this;
     }
 
-    public void enableNotification() {
+    public SendMessage enableNotification() {
         this.disableNotification = null;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendMessage disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
-    public void enableMarkdown(boolean enable) {
+    public SendMessage enableMarkdown(boolean enable) {
         if (enable) {
             this.parseMode = ParseMode.MARKDOWN;
         } else {
             this.parseMode = null;
         }
+        return this;
     }
 
-    public void enableHtml(boolean enable) {
+    public SendMessage enableHtml(boolean enable) {
         if (enable) {
             this.parseMode = ParseMode.HTML;
         } else {
             this.parseMode = null;
         }
+        return this;
     }
 
     @Override

src/main/java/org/telegram/telegrambots/api/methods/send/SendPhoto.java

@@ -94,12 +94,14 @@ public class SendPhoto {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendPhoto enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendPhoto disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public SendPhoto setNewPhoto(String photo, String photoName) {

src/main/java/org/telegram/telegrambots/api/methods/send/SendSticker.java

@@ -81,12 +81,14 @@ public class SendSticker {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendSticker enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendSticker disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public boolean isNewSticker() {

src/main/java/org/telegram/telegrambots/api/methods/send/SendVenue.java

@@ -94,12 +94,14 @@ public class SendVenue extends BotApiMethod<Message> {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendVenue enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendVenue disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public String getTitle() {

src/main/java/org/telegram/telegrambots/api/methods/send/SendVideo.java

@@ -109,12 +109,14 @@ public class SendVideo {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendVideo enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendVideo disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public Integer getWidth() {

src/main/java/org/telegram/telegrambots/api/methods/send/SendVoice.java

@@ -52,12 +52,14 @@ public class SendVoice {
         return disableNotification;
     }
 
-    public void enableNotification() {
+    public SendVoice enableNotification() {
         this.disableNotification = false;
+        return this;
     }
 
-    public void disableNotification() {
+    public SendVoice disableNotification() {
         this.disableNotification = true;
+        return this;
     }
 
     public String getChatId() {

src/main/java/org/telegram/telegrambots/api/methods/updatingmessages/EditMessageText.java

@@ -105,28 +105,32 @@ public class EditMessageText extends BotApiMethod<Message> {
         return this;
     }
 
-    public void disableWebPagePreview() {
+    public EditMessageText disableWebPagePreview() {
         disableWebPagePreview = true;
+        return this;
     }
 
-    public void enableWebPagePreview() {
+    public EditMessageText enableWebPagePreview() {
         disableWebPagePreview = null;
+        return this;
     }
 
-    public void enableMarkdown(boolean enable) {
+    public EditMessageText enableMarkdown(boolean enable) {
         if (enable) {
             this.parseMode = ParseMode.MARKDOWN;
         } else {
             this.parseMode = null;
         }
+        return this;
     }
 
-    public void enableHtml(boolean enable) {
+    public EditMessageText enableHtml(boolean enable) {
         if (enable) {
             this.parseMode = ParseMode.HTML;
         } else {
             this.parseMode = null;
         }
+        return this;
     }
 
     @Override