Factory for the root UXML element.
This factory does not generate VisualElements. UIElements uses it to generate schemas.
| substituteForTypeName | Returns the empty string, as the root element can not appear anywhere else bit at the root of the document. |
| substituteForTypeNamespace | Returns the empty string, as the root element can not appear anywhere else bit at the root of the document. |
| substituteForTypeQualifiedName | Returns the empty string, as the root element can not appear anywhere else bit at the root of the document. |
| uxmlName | Returns "UXML". |
| uxmlQualifiedName | Returns the qualified name for this element. |
| UxmlRootElementFactory | Constructor. |
| Create | Returns null. |
| canHaveAnyAttribute | Returns UxmlTraits.canHaveAnyAttribute (where UxmlTraits is the argument for T1). |
| substituteForTypeName | Returns an empty string if T0 is not VisualElement; otherwise, returns "VisualElement". |
| substituteForTypeNamespace | Returns the namespace for substituteForTypeName. |
| substituteForTypeQualifiedName | Returns the fully qualified name for substituteForTypeName. |
| uxmlAttributesDescription | Returns an empty enumerable. |
| uxmlChildElementsDescription | Returns an empty enumerable. |
| uxmlName | Returns the type name of T0. |
| uxmlNamespace | Returns the namespace name of T0. |
| uxmlQualifiedName | Returns the typefully qualified name of T0. |
| AcceptsAttributeBag | Returns true. |