}
public void verifyContainsSystemColumns(Collection<? extends CqlPart> col, boolean contains) {
col = asHahsCol(col);
assertNotNull(col);
assertEquals(col.toString(), contains, col.contains(new CqlColumnName("truncated_at")));
assertEquals(col.toString(), contains, col.contains(new CqlColumnName("tokens")));
assertEquals(col.toString(), contains, col.contains(new CqlColumnName("peer")));
assertEquals(col.toString(), contains, col.contains(new CqlColumnName("token_bytes")));
assertEquals(col.toString(), contains, col.contains(new CqlColumnName("rpc_address")));
assertEquals(col.toString(), contains, col.contains(new CqlColumnName("replicate_on_write")));
}