ClientCredentials { @Override public String toString() { return ToStringBuilder.reflectionToString(this); }  String getClientId(); String getCredentialDatastore(); String getDataStoreDirectory(); List<String> getScopes(); File getClientSecrets(); void setClientSecrets(final File clientSecrets); void setCredentialDatastore(final String credentialDatastore); void setDataStoreDirectory(final String dataStoreDirectory); @Override String toString();  }
@Test public void testToStringNullTolerance() { assertNotNull(new ClientCredentials().toString()); }