Represents the "NewWindow" entry of the remote go-to action object.

It is an optional entry defined as part of the PDF 1.2 specification.

It contains a bool representing a PDF boolean object.

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 200, page 419.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 203, page 509.

When true the viewer should open the external file in a new window; when false it may open it in the current window. When absent the viewer uses its own preference.