An enum describing the viewport options to use when importing the SVG document.
| Property | Description | 
|---|---|
| DontPreserve | Don't preserve the viewport defined in the SVG document. | 
| PreserveViewport | Preserves the viewport defined in the SVG document. | 
| OnlyApplyRootViewBox | Applies the root view-box defined in the SVG document (if any). |