Represents the "VA" entry of the 3d stream dictionary object.

It is an optional entry defined as part of the PDF 1.0 specification.

It contains an array which contains D3DViewElements.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 300, page 516.

Adobe Supplement to the ISO 32000, BaseVersion: 1.7, ExtensionLevel: 3; Table: 9.35, page 56.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 311, page 645.

The VA entry holds an array of 3D view dictionaries defining the named views available for this model. Each view specifies a camera position, orientation, projection, and rendering settings. Viewers present these as a selectable list.