isRequired        712 Source/core/accessibility/AXNodeObject.cpp bool AXNodeObject::isRequired() const
isRequired        293 Source/core/html/HTMLFormControlElement.cpp bool HTMLFormControlElement::isRequired() const
isRequired         34 Source/core/html/forms/RadioButtonGroupScope.cpp     bool isRequired() const { return m_requiredCount; }
isRequired        361 Source/web/WebAXObject.cpp bool WebAXObject::isRequired() const