@Test public void testConstructorWithNoInputs() { QueryBuilder builder = new QueryBuilder(); assertEquals("", builder.toString()); }
@Override public String toString() { return builder.toString(); }
QueryBuilder { @Override public String toString() { return builder.toString(); } }
QueryBuilder { @Override public String toString() { return builder.toString(); } QueryBuilder();  QueryBuilder(String part); }
QueryBuilder { @Override public String toString() { return builder.toString(); } QueryBuilder();  QueryBuilder(String part); QueryBuilder append(String part); @Override String toString(); }
QueryBuilder { @Override public String toString() { return builder.toString(); } QueryBuilder();  QueryBuilder(String part); QueryBuilder append(String part); @Override String toString();  }