feat: support tomcat upgrade

generator/src/main/java/org/apache/catalina/connector/Request.java

@@ -342,4 +342,8 @@ public class Request implements HttpServletRequest {
     public DispatcherType getDispatcherType() {
         return null;
     }
+
+    public Response getResponse() {
+        return null;
+    }
 }

generator/src/main/java/org/apache/coyote/Adapter.java

@@ -0,0 +1,8 @@
+package org.apache.coyote;
+
+/**
+ * @author ReaJason
+ * @since 2025/12/6
+ */
+public interface Adapter {
+}

generator/src/main/java/org/apache/coyote/Processor.java

@@ -0,0 +1,8 @@
+package org.apache.coyote;
+
+/**
+ * @author ReaJason
+ * @since 2025/12/6
+ */
+public interface Processor {
+}

generator/src/main/java/org/apache/coyote/Request.java

@@ -0,0 +1,11 @@
+package org.apache.coyote;
+
+/**
+ * @author ReaJason
+ * @since 2025/12/6
+ */
+public class Request {
+    public Object getNote(int id) {
+        return null;
+    }
+}

generator/src/main/java/org/apache/coyote/UpgradeProtocol.java

@@ -0,0 +1,22 @@
+package org.apache.coyote;
+
+import org.apache.coyote.http11.upgrade.InternalHttpUpgradeHandler;
+import org.apache.tomcat.util.net.SocketWrapperBase;
+
+/**
+ * @author ReaJason
+ * @since 2025/12/6
+ */
+public interface UpgradeProtocol {
+    public String getHttpUpgradeName(boolean isSSLEnabled);
+
+    public byte[] getAlpnIdentifier();
+
+    public String getAlpnName();
+
+    public Processor getProcessor(SocketWrapperBase<?> socketWrapper, Adapter adapter);
+
+    public InternalHttpUpgradeHandler getInternalUpgradeHandler(Adapter adapter, Request request);
+
+    public boolean accept(Request request);
+}

generator/src/main/java/org/apache/coyote/http11/upgrade/InternalHttpUpgradeHandler.java

@@ -0,0 +1,8 @@
+package org.apache.coyote.http11.upgrade;
+
+/**
+ * @author ReaJason
+ * @since 2025/12/6
+ */
+public interface InternalHttpUpgradeHandler {
+}

generator/src/main/java/org/apache/tomcat/util/net/SocketWrapperBase.java

@@ -0,0 +1,8 @@
+package org.apache.tomcat.util.net;
+
+/**
+ * @author ReaJason
+ * @since 2025/12/6
+ */
+public class SocketWrapperBase<E>  {
+}