replacing the parameters switch_pm_text and switch_pm_parameter of the method answerInlineQuery with the parameter button of type InlineQueryResultsButton.

Author: mircoianese

library/src/main/java/com/pengrad/telegrambot/model/request/InlineQueryResultsButton.java

@@ -0,0 +1,54 @@
+package com.pengrad.telegrambot.model.request;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+import com.pengrad.telegrambot.model.WebAppInfo;
+
+public class InlineQueryResultsButton implements Serializable {
+    
+    private final static long serialVersionUID = 0L;
+
+    private String text;
+    private WebAppInfo web_app;
+    private String start_parameter;
+
+    public InlineQueryResultsButton(String text, WebAppInfo webApp) {
+        this.text = text;
+        this.web_app = webApp;
+    }
+
+    public InlineQueryResultsButton(String text, String startParameter) {
+        this.text = text;
+        this.start_parameter = startParameter;
+    }
+
+    public String text() {
+        return text;
+    }
+
+    public WebAppInfo webApp() {
+        return web_app;
+    }
+
+    public String startParameter() {
+        return start_parameter;
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(text,
+                web_app,
+                start_parameter);
+    }
+
+    @Override
+    public String toString() {
+        return "InlineQueryResultsButton{" +
+                "text='" + text + '\'' +
+                ", web_app=" + web_app +
+                ", start_parameter='" + start_parameter + '\'' +
+                '}';
+    }
+
+}

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

@@ -1,6 +1,7 @@
 package com.pengrad.telegrambot.request;
 
 import com.pengrad.telegrambot.model.request.InlineQueryResult;
+import com.pengrad.telegrambot.model.request.InlineQueryResultsButton;
 import com.pengrad.telegrambot.response.BaseResponse;
 
 /**
@@ -26,10 +27,22 @@ public AnswerInlineQuery nextOffset(String nextOffset) {
         return add("next_offset", nextOffset);
     }
 
+    public AnswerInlineQuery button(InlineQueryResultsButton button) {
+        return add ("button", button);
+    }
+
+    /**
+     * @deprecated Replaced by {@link #button(InlineQueryResultsButton)}
+     */
+    @Deprecated
     public AnswerInlineQuery switchPmText(String switchPmText) {
         return add("switch_pm_text", switchPmText);
     }
 
+    /**
+     * @deprecated Replaced by {@link #button(InlineQueryResultsButton)}
+     */
+    @Deprecated
     public AnswerInlineQuery switchPmParameter(String switchPmParameter) {
         return add("switch_pm_parameter", switchPmParameter);
     }