Allow registering aliases with BeanRegistry

Closes gh-34599

spring-beans/src/main/java/org/springframework/beans/factory/BeanRegistry.java

@@ -38,6 +38,15 @@ import org.springframework.core.env.Environment;
  */
 public interface BeanRegistry {
 
+	/**
+	 * Given a name, register an alias for it.
+	 * @param name the canonical name
+	 * @param alias the alias to be registered
+	 * @throws IllegalStateException if the alias is already in use
+	 * and may not be overridden
+	 */
+	void registerAlias(String name, String alias);
+
 	/**
 	 * Register a bean from the given bean class, which will be instantiated
 	 * using the related {@link BeanUtils#getResolvableConstructor resolvable constructor}

spring-beans/src/main/java/org/springframework/beans/factory/support/BeanRegistryAdapter.java

@@ -80,6 +80,11 @@ public class BeanRegistryAdapter implements BeanRegistry {
 	}
 
 
+	@Override
+	public void registerAlias(String name, String alias) {
+		this.beanRegistry.registerAlias(name, alias);
+	}
+
 	@Override
 	public <T> String registerBean(Class<T> beanClass) {
 		String beanName = BeanDefinitionReaderUtils.uniqueBeanName(beanClass.getName(), this.beanRegistry);

spring-beans/src/main/kotlin/org/springframework/beans/factory/BeanRegistrarDsl.kt

@@ -64,6 +64,17 @@ open class BeanRegistrarDsl(private val init: BeanRegistrarDsl.() -> Unit): Bean
 	 */
 	lateinit var env: Environment
 
+	/**
+	 * Given a name, register an alias for it.
+	 * @param name the canonical name
+	 * @param alias the alias to be registered
+	 * @throws IllegalStateException if the alias is already in use
+	 * and may not be overridden
+	 */
+	fun registerAlias(name: String, alias: String) {
+		registry.registerAlias(name, alias);
+	}
+
 	/**
 	 * Register a bean from the given bean class, which will be instantiated
 	 * using the related [resolvable constructor]