code: public void setPolicyNames(java.util.Collection<String> policyNames) {
          if (policyNames == null) {
              this.policyNames = null;
              return;
          }
  
          this.policyNames = new com.ibm.cloud.objectstorage.internal.SdkInternalList<String>(policyNames);
      }
docs: <p>
  A list of policy names. Currently, there is only one policy and it is named "Default".
  </p>
  
  @param policyNames
  A list of policy names. Currently, there is only one policy and it is named "Default".