PassRefPtr<SVGNumberOptionalNumber> clone() const;
virtual PassRefPtr<NewSVGPropertyBase> cloneForAnimation(const String&) const OVERRIDE;
- bool operator==(const SVGNumberOptionalNumber&) const;
- bool operator!=(const SVGNumberOptionalNumber& other) const { return !operator==(other); }
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virtual String valueAsString() const OVERRIDE;
void setValueAsString(const String&, ExceptionState&);