diff --git a/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/BeanDefinitionRegistryPostProcessor.java b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/BeanDefinitionRegistryPostProcessor.java
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+++ b/org.springframework.beans/src/main/java/org/springframework/beans/factory/support/BeanDefinitionRegistryPostProcessor.java
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+/*
+ * Copyright 2002-2010 the original author or authors.
+ *
+ * Licensed 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.springframework.beans.factory.support;
+
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.BeanFactoryPostProcessor;
+
+/**
+ * Extension to the standard {@link BeanFactoryPostProcessor} SPI, allowing for
+ * the registration of further bean definitions <i>before</i> regular
+ * BeanFactoryPostProcessor detection kicks in. In particular,
+ * BeanDefinitionRegistryPostProcessor may register further bean definitions
+ * which in turn define BeanFactoryPostProcessor instances.
+ *
+ * @author Juergen Hoeller
+ * @since 3.0.1
+ * @see org.springframework.context.annotation.ConfigurationClassPostProcessor
+ */
+public interface BeanDefinitionRegistryPostProcessor extends BeanFactoryPostProcessor {
+
+	/**
+	 * Modify the application context's internal bean definition registry after its
+	 * standard initialization. All regular bean definitions will have been loaded,
+	 * but no beans will have been instantiated yet. This allows for adding further
+	 * bean definitions before the next post-processing phase kicks in.
+	 * @param registry the bean definition registry used by the application context
+	 * @throws org.springframework.beans.BeansException in case of errors
+	 */
+	void postProcessBeanDefinitionRegistry(BeanDefinitionRegistry registry) throws BeansException;
+
+}