Merge branch '3.4.x'

Closes gh-43834

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionalOnSingleCandidate.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2024 the original author or authors.
+ * Copyright 2012-2025 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.
@@ -55,7 +55,7 @@ public @interface ConditionalOnSingleCandidate {
 	 * The class type of bean that should be checked. The condition matches if a bean of
 	 * the class specified is contained in the {@link BeanFactory} and a primary candidate
 	 * exists in case of multiple instances. Beans that are not autowire candidates or
-	 * that are not default candidates are ignored.
+	 * that are not default candidates or that are fallback candidates are ignored.
 	 * <p>
 	 * This attribute may <strong>not</strong> be used in conjunction with
 	 * {@link #type()}, but it may be used instead of {@link #type()}.
@@ -71,7 +71,8 @@ public @interface ConditionalOnSingleCandidate {
 	 * The class type name of bean that should be checked. The condition matches if a bean
 	 * of the class specified is contained in the {@link BeanFactory} and a primary
 	 * candidate exists in case of multiple instances. Beans that are not autowire
-	 * candidates or that are not default candidates are ignored.
+	 * candidates or that are not default candidates or that are fallback candidates are
+	 * ignored.
 	 * <p>
 	 * This attribute may <strong>not</strong> be used in conjunction with
 	 * {@link #value()}, but it may be used instead of {@link #value()}.