Represents the "DParts" entry of the dpart dictionary object.

It is defined as part of the PDF 2.0 specification.

It contains an array which contains Elements.

For definitive details see:.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 409, page 829.

The DParts entry holds an array of indirect references to child document part nodes. The order defines the sequence of parts within this level of the hierarchy.