diff --git a/src/main/java/org/apache/nifi/web/ConnectorWebMethod.java b/src/main/java/org/apache/nifi/web/ConnectorWebMethod.java
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+++ b/src/main/java/org/apache/nifi/web/ConnectorWebMethod.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.web;
+
+import java.lang.annotation.Documented;
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * Indicates that a method in a Connector interface requires specific authorization to be invoked.
+ * This annotation is used by the NiFi framework to enforce access control when custom UIs interact
+ * with Connector instances.
+ *
+ * <p>Methods without this annotation will be blocked by the framework, preventing their invocation
+ * through the Connector web context.</p>
+ *
+ * <p>Example Usage:</p>
+ * <pre>
+ * {@code
+ * import static org.apache.nifi.web.ConnectorWebMethod.AccessType;
+ *
+ * public interface MyConnector {
+ *     @ConnectorWebMethod(AccessType.READ)
+ *     List<String> getAvailableOptions();
+ *
+ *     @ConnectorWebMethod(AccessType.WRITE)
+ *     void applyConfiguration(Map<String, String> config);
+ *
+ *     // This method cannot be called through the web context - throws IllegalStateException
+ *     void internalMethod();
+ * }
+ * }
+ * </pre>
+ */
+@Documented
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.METHOD)
+public @interface ConnectorWebMethod {
+    /**
+     * The type of access required to invoke this method.
+     * READ for read-only operations, WRITE for operations that modify state.
+     * @return the required access type
+     */
+    AccessType value();
+
+    /**
+     * Defines the type of access required for a connector method.
+     */
+    enum AccessType {
+        /**
+         * Indicates the method only reads data and does not modify state.
+         */
+        READ,
+
+        /**
+         * Indicates the method modifies state.
+         */
+        WRITE
+    }
+}
+