This class represents the richmediadimensions dictionary. This is definitively detailed in:.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 339, page 702.

Adobe Supplement to the ISO 32000, BaseVersion: 1.7, ExtensionLevel: 3; Table: 9.50e, page 84.

System.Object
    WebSupergoo.ABCpdf14.Elements.Element
       WebSupergoo.ABCpdf14.Elements.RichMediaDimensionsElement

A rich media dimensions dictionary describes the default, maximum, and minimum sizes of a rich media window, each referencing a rich media window element. Separating these allows the viewer to respect authorial size intent while allowing user resizing within bounds.