QuotaUsage { public static String getHeader() { return QUOTA_HEADER; } protected  QuotaUsage(); protected  QuotaUsage(Builder builder); long getFileAndDirectoryCount(); long getQuota(); long getSpaceConsumed(); long getSpaceQuota(); long getTypeQuota(StorageType type); long getTypeConsumed(StorageType type); boolean isTypeQuotaSet(); boolean isTypeConsumedAvailable(); @Override boolean equals(Object to); @Override int hashCode(); static String getHeader(); @Override String toString(); String toString(boolean hOption); String toString(boolean hOption,
      boolean tOption, List<StorageType> types); static String getStorageTypeHeader(List<StorageType> storageTypes);  }
@Test public void testGetHeader() { String header = " QUOTA REM_QUOTA SPACE_QUOTA " + "REM_SPACE_QUOTA "; assertEquals(header, QuotaUsage.getHeader()); }