Unneeded changes, reverting.

Author: coscale_kdegroot

src/main/java/com/coscale/sdk/client/commons/Options.java

@@ -46,7 +46,7 @@ public Options build() {
         }
     }
 
-    public Options(Builder builder) {
+    private Options(Builder builder) {
         selectBys = builder.selectBys;
         expands = builder.expands;
     }

src/main/java/com/coscale/sdk/client/data/MetricData.java

@@ -20,10 +20,10 @@ static class DataType {
 
         /**
          * DataType constructor.
-         * 
+         *
          * @param timestamp
          */
-        DataType(Long timestamp) {
+        public DataType(Long timestamp) {
             this.timestamp = timestamp;
         }