Fix checkstyle

Author: dominikriemer

streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/GenericStorageDocumentResolver.java

@@ -53,7 +53,8 @@ public Map<String, Object> modifyDocumentForExport(Map<String, Object> document)
 
   @Override
   public Map<String, Object> readDocument(String serializedDocument) throws JsonProcessingException {
-    return SerializationUtils.getDefaultObjectMapper().readValue(serializedDocument, new TypeReference<>() {});
+    return SerializationUtils.getDefaultObjectMapper().readValue(serializedDocument, new TypeReference<>() {
+    });
   }
 
   @Override
@@ -63,7 +64,8 @@ public ExportItem convert(Map<String, Object> document) {
   }
 
   @Override
-  public void writeDocument(String document, AssetExportConfiguration config) throws JsonProcessingException, DocumentConflictException {
+  public void writeDocument(String document, AssetExportConfiguration config)
+      throws JsonProcessingException, DocumentConflictException {
     try {
       getNoSqlStore().getGenericStorage().create(document);
     } catch (IOException e) {
@@ -73,7 +75,8 @@ public void writeDocument(String document, AssetExportConfiguration config) thro
 
   @Override
   public Map<String, Object> deserializeDocument(String document) throws JsonProcessingException {
-    return SerializationUtils.getDefaultObjectMapper().readValue(document, new TypeReference<>() {});
+    return SerializationUtils.getDefaultObjectMapper().readValue(document, new TypeReference<>() {
+    });
   }
 
   @Override