public Optional<Column> findValueColumn(final ColumnName columnName) {
    return findColumnMatching(withNamespace(VALUE).and(withName(columnName)));
  }
@Test
  public void shouldNotGetColumnByNameIfWrongCase() {
    // When:
    final Optional<Column> result = SOME_SCHEMA.findValueColumn(ColumnName.of("F0"));

    // Then:
    assertThat(result, is(Optional.empty()));
  }