code: public java.util.List<UserDetail> getUserDetailList() {
          if (userDetailList == null) {
              userDetailList = new com.amazonaws.internal.SdkInternalList<UserDetail>();
          }
          return userDetailList;
      }
docs: <p>
  A list containing information about IAM users.
  </p>
  
  @return A list containing information about IAM users.