Supported explanations for Quizzes 2.0. Add explanations by specifying the parameters explanation and explanation_parse_mode in the method sendPoll

Author: pengrad

library/src/main/java/com/pengrad/telegrambot/request/SendPoll.java

@@ -1,6 +1,7 @@
 package com.pengrad.telegrambot.request;
 
 import com.pengrad.telegrambot.model.Poll;
+import com.pengrad.telegrambot.model.request.ParseMode;
 
 /**
  * Stas Parshin
@@ -37,4 +38,12 @@ public SendPoll allowsMultipleAnswers(boolean allowsMultipleAnswers) {
     public SendPoll isClosed(boolean isClosed) {
         return add("is_closed", isClosed);
     }
+
+    public SendPoll explanation(String explanation) {
+        return add("explanation", explanation);
+    }
+
+    public SendPoll explanationParseMode(ParseMode parseMode) {
+        return add("explanation_parse_mode", parseMode);
+    }
 }

library/src/test/java/com/pengrad/telegrambot/TelegramBotTest.java

@@ -1673,6 +1673,8 @@ public void sendPoll() {
                         .allowsMultipleAnswers(false)
                         .correctOptionId(1)
                         .isClosed(true)
+                        .explanation("Some __explanation__ of poll")
+                        .explanationParseMode(ParseMode.MarkdownV2)
         );
         Poll poll = sendResponse.message().poll();
         assertFalse(poll.id().isEmpty());