Move RuntimeHints predicate support to a dedicated package

This commit moves `RuntimeHintsPredicate` and its support classes that
form a cohesive concept in a dedicated `.predicate` package.

Closes gh-28799

spring-core/src/main/java/org/springframework/aot/hint/predicate/ProxyHintsPredicates.java

@@ -14,11 +14,14 @@
  * limitations under the License.
  */
 
-package org.springframework.aot.hint;
+package org.springframework.aot.hint.predicate;
 
 import java.util.Arrays;
 import java.util.function.Predicate;
 
+import org.springframework.aot.hint.ProxyHints;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.TypeReference;
 import org.springframework.util.Assert;
 
 /**

spring-core/src/main/java/org/springframework/aot/hint/predicate/ReflectionHintsPredicates.java

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.springframework.aot.hint;
+package org.springframework.aot.hint.predicate;
 
 import java.lang.reflect.Constructor;
 import java.lang.reflect.Executable;
@@ -26,6 +26,14 @@ import java.util.List;
 import java.util.Set;
 import java.util.function.Predicate;
 
+import org.springframework.aot.hint.ExecutableHint;
+import org.springframework.aot.hint.ExecutableMode;
+import org.springframework.aot.hint.FieldHint;
+import org.springframework.aot.hint.MemberCategory;
+import org.springframework.aot.hint.ReflectionHints;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.TypeHint;
+import org.springframework.aot.hint.TypeReference;
 import org.springframework.core.MethodIntrospector;
 import org.springframework.lang.Nullable;
 import org.springframework.util.Assert;

spring-core/src/main/java/org/springframework/aot/hint/predicate/ResourceHintsPredicates.java

@@ -14,13 +14,17 @@
  * limitations under the License.
  */
 
-package org.springframework.aot.hint;
+package org.springframework.aot.hint.predicate;
 
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Predicate;
 import java.util.regex.Pattern;
 
+import org.springframework.aot.hint.ResourceHints;
+import org.springframework.aot.hint.ResourcePatternHint;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.TypeReference;
 import org.springframework.util.Assert;
 import org.springframework.util.ConcurrentLruCache;
 

spring-core/src/main/java/org/springframework/aot/hint/predicate/RuntimeHintsPredicates.java

@@ -14,7 +14,14 @@
  * limitations under the License.
  */
 
-package org.springframework.aot.hint;
+package org.springframework.aot.hint.predicate;
+
+import org.springframework.aot.hint.ProxyHints;
+import org.springframework.aot.hint.ReflectionHints;
+import org.springframework.aot.hint.ResourceHints;
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.RuntimeHintsRegistrar;
+import org.springframework.aot.hint.SerializationHints;
 
 /**
  * Static generator of predicates that test whether the given {@link RuntimeHints}

spring-core/src/main/java/org/springframework/aot/hint/predicate/SerializationHintsPredicates.java

@@ -14,10 +14,13 @@
  * limitations under the License.
  */
 
-package org.springframework.aot.hint;
+package org.springframework.aot.hint.predicate;
 
 import java.util.function.Predicate;
 
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.SerializationHints;
+import org.springframework.aot.hint.TypeReference;
 import org.springframework.util.Assert;
 
 /**

spring-core/src/main/java/org/springframework/aot/hint/predicate/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * Predicate support for runtime hints.
+ */
+@NonNullApi
+@NonNullFields
+package org.springframework.aot.hint.predicate;
+
+import org.springframework.lang.NonNullApi;
+import org.springframework.lang.NonNullFields;