docs: public CreateSMBFileShareRequest withValidUserList(String... validUserList) {
          if (this.validUserList == null) {
              setValidUserList(new com.amazonaws.internal.SdkInternalList<String>(validUserList.length));
          }
          for (String ele : validUserList) {
              this.validUserList.add(ele);
          }
          return this;
      }