public String process(final Expression expression) {
    return formatExpression(expression);
  }
@Test
  public void shouldEscapeQuotesInStringLiteral() {
    // Given:
    final Expression expression = new StringLiteral("\"foo\"");

    // When:
    final String javaExpression = sqlToJavaVisitor.process(expression);

    // Then:
    assertThat(javaExpression, equalTo("\"\\\"foo\\\"\""));
  }