DATAMONGO-2221 - Polishing.

Reformat imports.

Original pull request: #732.

Author: mp911de

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/QueryMapper.java

@@ -15,13 +15,23 @@
  */
 package org.springframework.data.mongodb.core.convert;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
 import java.util.Map.Entry;
+import java.util.Optional;
+import java.util.Set;
 
 import org.bson.BsonValue;
 import org.bson.Document;
 import org.bson.conversions.Bson;
 import org.bson.types.ObjectId;
+
 import org.springframework.core.convert.ConversionException;
 import org.springframework.core.convert.ConversionService;
 import org.springframework.core.convert.converter.Converter;

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/QueryMapperUnitTests.java

@@ -34,6 +34,7 @@
 import org.junit.runner.RunWith;
 import org.mockito.Mock;
 import org.mockito.junit.MockitoJUnitRunner;
+
 import org.springframework.data.annotation.Id;
 import org.springframework.data.domain.Sort;
 import org.springframework.data.domain.Sort.Direction;