Defines SearchFieldBase.UxmlTraits for the SearchFieldBase.
This class defines the properties of a SearchFieldBase element that you can use in a UXML asset.
| SearchFieldBase_2.UxmlTraits | Constructor. |
| canHaveAnyAttribute | Must return true if the UXML element attributes are not restricted to the values enumerated by uxmlAttributesDescription. |
| uxmlAttributesDescription | Describes the UXML attributes expected by the element. The attributes enumerated here will appear in the UXML schema. |
| focusable | The focusable attribute. |
| focusIndex | The focus index attribute. |
| uxmlChildElementsDescription | Returns an enumerable containing UxmlChildElementDescription(typeof(VisualElement)), since VisualElements can contain other VisualElements. |
| Init | Initialize VisualElement properties using values from the attribute bag. |