polish

Author: Bilal Al

client/src/main/java/io/split/client/SplitClientConfig.java

@@ -10,9 +10,12 @@
 import pluggable.CustomStorageWrapper;
 
 import java.io.IOException;
-import java.util.*;
-import java.io.InputStream;
+import java.util.HashSet;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Properties;
 import java.util.concurrent.ThreadFactory;
+import java.io.InputStream;
 
 import static io.split.inputValidation.FlagSetsValidator.cleanup;