public FieldFilterBuilder isDefault() {
        add(new NegationFieldFilter(new ModifierFieldFilter(Modifier.PUBLIC & Modifier.PROTECTED & Modifier.PRIVATE)));
        return this;
    }
public FieldFilterBuilder isDefault ( ) { add ( new NegationFieldFilter ( new ModifierFieldFilter ( Modifier . PUBLIC & Modifier . PROTECTED & Modifier . PRIVATE ) ) ) ; return this ; }
Filter fields with default access.

@return This builder to support method chaining.