If true (and unicode is true), use double-lines for rendering boxes.
If true (and unicode is false), use / and \ characters for edge bends.
If true (and unicode is false), use / and \ characters for edge bends. This is useful for reducing ambiguity, but can be more aesthetically noisy.
If true (and unicode is true), use rounded corners for edge bends and (if doubleVertices is false) for box corners.
If true (and unicode is true), use rounded corners for edge bends and (if doubleVertices is false) for box corners. Note: these characters seem not to be well supported by typical Windows fonts.
If true, use Unicode box-drawing characters, else use ASCII characters.
(Since version ) see corresponding Javadoc for more information.