A short line at the endpoint perpendicular to the line itself.
A circle filled with the annotation's interior color, if any.
Two short lines meeting in an acute angle as in the OpenArrow style and connected by a third line to form a triangular closed arrowhead filled with the annotation's interior color, if any.
A diamond shape filled with the annotation's interior color, if any.
No line ending.
Two short lines meeting in an acute angle to form an open arrowhead.
A triangular closed arrowhead in the reverse direction from ClosedArrow.
Two short lines in the reverse direction from OpenArrow.
A short line at the endpoint approximately 30 degrees clockwise from perpendicular to the line itself
A square filled with the annotation's interior color, if any.
Specifies the possible line ending styles.