Formatting changes

Author: rayshrey

server/src/main/java/org/opensearch/index/mapper/DateFieldMapper.java

@@ -76,7 +76,6 @@
 import java.time.ZonedDateTime;
 import java.util.Arrays;
 import java.util.Collections;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;

server/src/main/java/org/opensearch/index/mapper/FieldMapper.java

@@ -572,9 +572,10 @@ protected static String indexOptionToString(IndexOptions indexOption) {
 
     protected abstract String contentType();
 
-    public Object getDerivedSource(LeafReader leafReader, int docId) throws IOException{
-        if (mappedFieldType.isDerivedSourceSupported() == false)
-            throw new UnsupportedOperationException("Derived source field is not supported for [" + name() + "] field");
+    public Object getDerivedSource(LeafReader leafReader, int docId) throws IOException {
+        if (mappedFieldType.isDerivedSourceSupported() == false) throw new UnsupportedOperationException(
+            "Derived source field is not supported for [" + name() + "] field"
+        );
         return deriveSource(leafReader, docId);
     }