switch (entity.booleanProperty) {
    case false: '''It's false'''
    default: '''default'''
}

boolean matched = false;
if (!matched) {
    if (false) {
        matched=true;
        StringConcatenation _builder_1 = new StringConcatenation();
        _builder.append("It\'s false");
        _switchResult = _builder;
    }
}