public boolean isHeaderColumn(final ColumnName columnName) {
    return findColumnMatching(withNamespace(HEADERS).and(withName(columnName)))
        .isPresent();
  }
@Test
  public void shouldMatchHeaderColumnName() {
    assertThat(SOME_SCHEMA.isHeaderColumn(H0), is(true));
    assertThat(SOME_SCHEMA.isHeaderColumn(ROWPARTITION_NAME), is(false));
    assertThat(SOME_SCHEMA.isHeaderColumn(K0), is(false));
    assertThat(SOME_SCHEMA.isHeaderColumn(F0), is(false));
  }