public Statement buildStatement(final ParserRuleContext parseTree) {
    return build(Optional.of(getSources(parseTree)), parseTree);
  }
@Test
  public void shouldSupportQuotedExplainStatements() {
    // Given:
    final SingleStatementContext stmt = givenQuery("EXPLAIN `CSAS_FOO-BAR`;");

    // When:
    final Explain explain = (Explain) builder.buildStatement(stmt);

    // Then:
    assertThat(explain.getQueryId(), is(Optional.of("CSAS_FOO-BAR")));
  }