added toString() method for all serializable classes

src/main/java/org/telegram/telegrambots/api/methods/AnswerInlineQuery.java

@@ -135,4 +135,15 @@ public class AnswerInlineQuery extends BotApiMethod<Boolean> {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "AnswerInlineQuery{" +
+                "inlineQueryId='" + inlineQueryId + '\'' +
+                ", results=" + results +
+                ", cacheTime=" + cacheTime +
+                ", isPersonal=" + isPersonal +
+                ", nextOffset='" + nextOffset + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/methods/ForwardMessage.java

@@ -89,4 +89,13 @@ public class ForwardMessage extends BotApiMethod<Message> {
         }
         return null;
     }
+
+    @Override
+    public String toString() {
+        return "ForwardMessage{" +
+                "chatId='" + chatId + '\'' +
+                ", fromChatId=" + fromChatId +
+                ", messageId=" + messageId +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/methods/GetFile.java

@@ -71,4 +71,11 @@ public class GetFile extends BotApiMethod<File> {
         }
         return null;
     }
+
+    @Override
+    public String toString() {
+        return "GetFile{" +
+                "fileId='" + fileId + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/methods/GetMe.java

@@ -47,4 +47,6 @@ public class GetMe extends BotApiMethod<User> {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+
 }

src/main/java/org/telegram/telegrambots/api/methods/GetUpdates.java

@@ -74,4 +74,13 @@ public class GetUpdates implements IToJson {
         }
         return jsonObject;
     }
+
+    @Override
+    public String toString() {
+        return "GetUpdates{" +
+                "offset=" + offset +
+                ", limit=" + limit +
+                ", timeout=" + timeout +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/methods/GetUserProfilePhotos.java

@@ -99,4 +99,13 @@ public class GetUserProfilePhotos extends BotApiMethod<UserProfilePhotos> {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "GetUserProfilePhotos{" +
+                "userId=" + userId +
+                ", offset=" + offset +
+                ", limit=" + limit +
+                '}';
+    }
 }

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

@@ -101,4 +101,18 @@ public class SendAudio {
     public String getAudioName() {
         return audioName;
     }
+
+    @Override
+    public String toString() {
+        return "SendAudio{" +
+                "chatId='" + chatId + '\'' +
+                ", audio='" + audio + '\'' +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                ", performer='" + performer + '\'' +
+                ", title='" + title + '\'' +
+                ", isNewAudio=" + isNewAudio +
+                ", audioName='" + audioName + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/methods/SendChatAction.java

@@ -83,4 +83,12 @@ public class SendChatAction extends BotApiMethod<Boolean>{
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "SendChatAction{" +
+                "chatId='" + chatId + '\'' +
+                ", action='" + action + '\'' +
+                '}';
+    }
 }

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

@@ -73,4 +73,16 @@ public class SendDocument {
     public void setReplayMarkup(ReplyKeyboard replayMarkup) {
         this.replayMarkup = replayMarkup;
     }
+
+    @Override
+    public String toString() {
+        return "SendDocument{" +
+                "chatId='" + chatId + '\'' +
+                ", document='" + document + '\'' +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                ", isNewDocument=" + isNewDocument +
+                ", documentName='" + documentName + '\'' +
+                '}';
+    }
 }

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

@@ -120,4 +120,15 @@ public class SendLocation extends BotApiMethod<Message> {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "SendLocation{" +
+                "chatId='" + chatId + '\'' +
+                ", latitude=" + latitude +
+                ", longitude=" + longitude +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                '}';
+    }
 }

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

@@ -153,4 +153,16 @@ public class SendMessage extends BotApiMethod<Message> {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "SendMessage{" +
+                "chatId='" + chatId + '\'' +
+                ", text='" + text + '\'' +
+                ", parseMode='" + parseMode + '\'' +
+                ", disableWebPagePreview=" + disableWebPagePreview +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                '}';
+    }
 }

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

@@ -84,4 +84,17 @@ public class SendPhoto {
         this.isNewPhoto = true;
         this.photoName = photoName;
     }
+
+    @Override
+    public String toString() {
+        return "SendPhoto{" +
+                "chatId='" + chatId + '\'' +
+                ", photo='" + photo + '\'' +
+                ", caption='" + caption + '\'' +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                ", isNewPhoto=" + isNewPhoto +
+                ", photoName='" + photoName + '\'' +
+                '}';
+    }
 }

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

@@ -73,4 +73,16 @@ public class SendSticker {
     public String getStickerName() {
         return stickerName;
     }
+
+    @Override
+    public String toString() {
+        return "SendSticker{" +
+                "chatId='" + chatId + '\'' +
+                ", sticker='" + sticker + '\'' +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                ", isNewSticker=" + isNewSticker +
+                ", stickerName='" + stickerName + '\'' +
+                '}';
+    }
 }

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

@@ -95,4 +95,18 @@ public class SendVideo {
         this.isNewVideo = true;
         this.videoName = videoName;
     }
+
+    @Override
+    public String toString() {
+        return "SendVideo{" +
+                "chatId='" + chatId + '\'' +
+                ", video='" + video + '\'' +
+                ", duration=" + duration +
+                ", caption='" + caption + '\'' +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                ", isNewVideo=" + isNewVideo +
+                ", videoName='" + videoName + '\'' +
+                '}';
+    }
 }

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

@@ -28,4 +28,15 @@ public class SendVoice {
     public SendVoice() {
         super();
     }
+
+    @Override
+    public String toString() {
+        return "SendVoice{" +
+                "chatId='" + chatId + '\'' +
+                ", audio='" + audio + '\'' +
+                ", replayToMessageId=" + replayToMessageId +
+                ", replayMarkup=" + replayMarkup +
+                ", duration=" + duration +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/methods/SetWebhook.java

@@ -36,4 +36,12 @@ public class SetWebhook {
     public void setCertificateFile(String certificateFile) {
         this.certificateFile = certificateFile;
     }
+
+    @Override
+    public String toString() {
+        return "SetWebhook{" +
+                "url='" + url + '\'' +
+                ", certificateFile='" + certificateFile + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Audio.java

@@ -131,4 +131,16 @@ public class Audio implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Audio{" +
+                "fileId='" + fileId + '\'' +
+                ", duration=" + duration +
+                ", mimeType='" + mimeType + '\'' +
+                ", fileSize=" + fileSize +
+                ", title='" + title + '\'' +
+                ", performer='" + performer + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Chat.java

@@ -126,4 +126,16 @@ public class Chat implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Chat{" +
+                "id=" + id +
+                ", type='" + type + '\'' +
+                ", title='" + title + '\'' +
+                ", firstName='" + firstName + '\'' +
+                ", lastName='" + lastName + '\'' +
+                ", userName='" + userName + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/ChosenInlineQuery.java

@@ -63,4 +63,13 @@ public class ChosenInlineQuery implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "ChosenInlineQuery{" +
+                "resultId='" + resultId + '\'' +
+                ", from=" + from +
+                ", query='" + query + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Contact.java

@@ -65,4 +65,14 @@ public class Contact implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Contact{" +
+                "phoneNumber='" + phoneNumber + '\'' +
+                ", firstName='" + firstName + '\'' +
+                ", lastName='" + lastName + '\'' +
+                ", userID=" + userID +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Document.java

@@ -116,4 +116,15 @@ public class Document implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Document{" +
+                "fileId='" + fileId + '\'' +
+                ", thumb=" + thumb +
+                ", fileName='" + fileName + '\'' +
+                ", mimeType='" + mimeType + '\'' +
+                ", fileSize=" + fileSize +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/File.java

@@ -83,4 +83,13 @@ public class File implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "File{" +
+                "fileId='" + fileId + '\'' +
+                ", fileSize=" + fileSize +
+                ", filePath='" + filePath + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/ForceReplyKeyboard.java

@@ -91,4 +91,12 @@ public class ForceReplyKeyboard implements ReplyKeyboard {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "ForceReplyKeyboard{" +
+                "forceReply=" + forceReply +
+                ", selective=" + selective +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/InlineQuery.java

@@ -73,4 +73,15 @@ public class InlineQuery implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "InlineQuery{" +
+                "id='" + id + '\'' +
+                ", from=" + from +
+                ", query='" + query + '\'' +
+                ", offset='" + offset + '\'' +
+                '}';
+    }
 }
+

src/main/java/org/telegram/telegrambots/api/objects/InlineQueryResultArticle.java

@@ -238,4 +238,22 @@ public class InlineQueryResultArticle implements InlineQueryResult {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "InlineQueryResultArticle{" +
+                "type='" + type + '\'' +
+                ", id='" + id + '\'' +
+                ", title='" + title + '\'' +
+                ", messageText='" + messageText + '\'' +
+                ", parseMode='" + parseMode + '\'' +
+                ", disableWebPagePreview=" + disableWebPagePreview +
+                ", url='" + url + '\'' +
+                ", hideUrl=" + hideUrl +
+                ", description='" + description + '\'' +
+                ", thumbUrl='" + thumbUrl + '\'' +
+                ", thumbWidth=" + thumbWidth +
+                ", thumbHeight=" + thumbHeight +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/InlineQueryResultGif.java

@@ -222,4 +222,21 @@ public class InlineQueryResultGif implements InlineQueryResult {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "InlineQueryResultGif{" +
+                "type='" + type + '\'' +
+                ", id='" + id + '\'' +
+                ", gifUrl='" + gifUrl + '\'' +
+                ", gifWidth=" + gifWidth +
+                ", gifHeight=" + gifHeight +
+                ", thumbUrl='" + thumbUrl + '\'' +
+                ", title='" + title + '\'' +
+                ", caption='" + caption + '\'' +
+                ", messageText='" + messageText + '\'' +
+                ", parseMode='" + parseMode + '\'' +
+                ", disableWebPagePreview=" + disableWebPagePreview +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/InlineQueryResultMpeg4Gif.java

@@ -223,4 +223,21 @@ public class InlineQueryResultMpeg4Gif implements InlineQueryResult {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "InlineQueryResultMpeg4Gif{" +
+                "type='" + type + '\'' +
+                ", id='" + id + '\'' +
+                ", mpeg4Url='" + mpeg4Url + '\'' +
+                ", mpeg4Width=" + mpeg4Width +
+                ", mpeg4Height=" + mpeg4Height +
+                ", thumbUrl='" + thumbUrl + '\'' +
+                ", title='" + title + '\'' +
+                ", caption='" + caption + '\'' +
+                ", messageText='" + messageText + '\'' +
+                ", parseMode='" + parseMode + '\'' +
+                ", disableWebPagePreview=" + disableWebPagePreview +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/InlineQueryResultPhoto.java

@@ -258,4 +258,23 @@ public class InlineQueryResultPhoto implements InlineQueryResult {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "InlineQueryResultPhoto{" +
+                "type='" + type + '\'' +
+                ", id='" + id + '\'' +
+                ", photoUrl='" + photoUrl + '\'' +
+                ", mimeType='" + mimeType + '\'' +
+                ", photoWidth=" + photoWidth +
+                ", photoHeight=" + photoHeight +
+                ", thumbUrl='" + thumbUrl + '\'' +
+                ", title='" + title + '\'' +
+                ", description='" + description + '\'' +
+                ", caption='" + caption + '\'' +
+                ", messageText='" + messageText + '\'' +
+                ", parseMode='" + parseMode + '\'' +
+                ", disableWebPagePreview=" + disableWebPagePreview +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/InlineQueryResultVideo.java

@@ -254,4 +254,23 @@ public class InlineQueryResultVideo implements InlineQueryResult {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "InlineQueryResultVideo{" +
+                "type='" + type + '\'' +
+                ", id='" + id + '\'' +
+                ", mimeType='" + mimeType + '\'' +
+                ", videoUrl='" + videoUrl + '\'' +
+                ", videoWidth=" + videoWidth +
+                ", videoHeight=" + videoHeight +
+                ", videoDuration=" + videoDuration +
+                ", thumbUrl='" + thumbUrl + '\'' +
+                ", title='" + title + '\'' +
+                ", description='" + description + '\'' +
+                ", messageText='" + messageText + '\'' +
+                ", parseMode='" + parseMode + '\'' +
+                ", disableWebPagePreview=" + disableWebPagePreview +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Location.java

@@ -63,4 +63,12 @@ public class Location implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Location{" +
+                "longitude=" + longitude +
+                ", latitude=" + latitude +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Message.java

@@ -525,4 +525,36 @@ public class Message implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Message{" +
+                "messageId=" + messageId +
+                ", from=" + from +
+                ", date=" + date +
+                ", chat=" + chat +
+                ", forwardFrom=" + forwardFrom +
+                ", forwardDate=" + forwardDate +
+                ", text='" + text + '\'' +
+                ", audio=" + audio +
+                ", document=" + document +
+                ", photo=" + photo +
+                ", sticker=" + sticker +
+                ", video=" + video +
+                ", contact=" + contact +
+                ", location=" + location +
+                ", newChatParticipant=" + newChatParticipant +
+                ", leftChatParticipant=" + leftChatParticipant +
+                ", newChatTitle='" + newChatTitle + '\'' +
+                ", newChatPhoto=" + newChatPhoto +
+                ", deleteChatPhoto=" + deleteChatPhoto +
+                ", groupchatCreated=" + groupchatCreated +
+                ", replyToMessage=" + replyToMessage +
+                ", voice=" + voice +
+                ", superGroupCreated=" + superGroupCreated +
+                ", channelChatCreated=" + channelChatCreated +
+                ", migrateToChatId=" + migrateToChatId +
+                ", migrateFromChatId=" + migrateFromChatId +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/PhotoSize.java

@@ -93,4 +93,14 @@ public class PhotoSize implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "PhotoSize{" +
+                "fileId='" + fileId + '\'' +
+                ", width=" + width +
+                ", height=" + height +
+                ", fileSize=" + fileSize +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/ReplyKeyboardHide.java

@@ -85,4 +85,12 @@ public class ReplyKeyboardHide implements ReplyKeyboard {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "ReplyKeyboardHide{" +
+                "hideKeyboard=" + hideKeyboard +
+                ", selective=" + selective +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/ReplyKeyboardMarkup.java

@@ -153,4 +153,14 @@ public class ReplyKeyboardMarkup implements ReplyKeyboard {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "ReplyKeyboardMarkup{" +
+                "keyboard=" + keyboard +
+                ", resizeKeyboard=" + resizeKeyboard +
+                ", oneTimeKeyboad=" + oneTimeKeyboad +
+                ", selective=" + selective +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Sticker.java

@@ -70,4 +70,15 @@ public class Sticker implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Sticker{" +
+                "fileId='" + fileId + '\'' +
+                ", width=" + width +
+                ", height=" + height +
+                ", thumb=" + thumb +
+                ", fileSize=" + fileSize +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Update.java

@@ -101,4 +101,14 @@ public class Update implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Update{" +
+                "updateId=" + updateId +
+                ", message=" + message +
+                ", inlineQuery=" + inlineQuery +
+                ", chosenInlineQuery=" + chosenInlineQuery +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/User.java

@@ -81,4 +81,14 @@ public class User implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "User{" +
+                "id=" + id +
+                ", firstName='" + firstName + '\'' +
+                ", lastName='" + lastName + '\'' +
+                ", userName='" + userName + '\'' +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/UserProfilePhotos.java

@@ -87,4 +87,12 @@ public class UserProfilePhotos implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "UserProfilePhotos{" +
+                "totalCount=" + totalCount +
+                ", photos=" + photos +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Video.java

@@ -139,4 +139,17 @@ public class Video implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Video{" +
+                "fileId='" + fileId + '\'' +
+                ", width=" + width +
+                ", height=" + height +
+                ", duration=" + duration +
+                ", thumb=" + thumb +
+                ", mimeType='" + mimeType + '\'' +
+                ", fileSize=" + fileSize +
+                '}';
+    }
 }

src/main/java/org/telegram/telegrambots/api/objects/Voice.java

@@ -96,4 +96,14 @@ public class Voice implements IBotApiObject {
     public void serializeWithType(JsonGenerator gen, SerializerProvider serializers, TypeSerializer typeSer) throws IOException {
         serialize(gen, serializers);
     }
+
+    @Override
+    public String toString() {
+        return "Voice{" +
+                "fileId='" + fileId + '\'' +
+                ", duration=" + duration +
+                ", mimeType='" + mimeType + '\'' +
+                ", fileSize=" + fileSize +
+                '}';
+    }
 }