Represents the "IT" entry of the line annotation object.

It is an optional entry defined as part of the PDF 1.6 specification.

It contains a string representing a PDF name object.

This item may take one of the following valid values:.

• LineArrow
• LineDimension

For definitive details see:.

The ISO PDF Specification, ISO 32000-1:2008 PDF 1.7; Table: 175, page 398.

The ISO PDF Specification, ISO 32000-2:2017 PDF 2.0; Table: 178, page 483.

The intent type distinguishes a plain graphical line from a dimension line used in measurement workflows. Viewers may apply different rendering or interaction behaviour depending on the intent.