Removed some compiler warnings and unnecessary imports.

spring-data-commons-core/src/main/java/org/springframework/data/mapping/event/MappingContextEvent.java

@@ -25,6 +25,7 @@ import org.springframework.data.util.TypeInformation;
  */
 public class MappingContextEvent extends ApplicationEvent {
 
+  private static final long serialVersionUID = 1336466833846092490L;
   private TypeInformation typeInformation;
 
   public MappingContextEvent(PersistentEntity<?> source, TypeInformation typeInformation) {

spring-data-commons-core/src/main/java/org/springframework/data/repository/Repository.java

@@ -16,7 +16,6 @@
 package org.springframework.data.repository;
 
 import java.io.Serializable;
-import java.util.List;
 
 
 /**

spring-data-commons-core/src/main/java/org/springframework/data/repository/query/QueryMethod.java

@@ -89,6 +89,7 @@ public class QueryMethod {
     }
 
 
+    @SuppressWarnings("rawtypes")
     public EntityMetadata<?> getEntityInformation() {
 
         return new EntityMetadata() {

spring-data-commons-core/src/main/java/org/springframework/data/util/ClassTypeInformation.java

@@ -3,7 +3,6 @@ package org.springframework.data.util;
 import java.lang.reflect.Type;
 import java.lang.reflect.TypeVariable;
 import java.util.Map;
-import java.util.Set;
 
 /**
  * Property information for a plain {@link Class}.

spring-data-commons-core/src/main/java/org/springframework/data/util/GenericTypeResolver.java

@@ -28,8 +28,6 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.WeakHashMap;
 
-import org.springframework.core.GenericCollectionTypeResolver;
-import org.springframework.core.JdkVersion;
 import org.springframework.core.MethodParameter;
 import org.springframework.util.Assert;
 
@@ -40,6 +38,7 @@ import org.springframework.util.Assert;
  * TODO: remove that class, as soon as Spring 3.0.6 gets released.
  * @see SPR-8005
  */
+@SuppressWarnings({"rawtypes", "unchecked"})
 abstract class GenericTypeResolver {
 
   /** Cache from Class to TypeVariable Map */