Represents the "P" entry of the media clip data dictionary object.

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

It contains a MediaPermissionsElement.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 274, page 492.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 285, page 617.

The P entry references a media permissions dictionary specifying restrictions on how the media data may be accessed, such as whether temporary files may be created.