https://github.com/plantuml/plantuml/issues/1357 https://github.com/plantuml/plantuml/issues/1353 https://github.com/plantuml/plantuml/issues/1352 https://forum.plantuml.net/17654/malformed-layout-and-missing-arrows-on-large-amount-of-edges https://github.com/plantuml/plantuml/issues/1349 https://github.com/plantuml/plantuml/issues/1348 https://github.com/plantuml/plantuml/issues/1355 https://github.com/plantuml/plantuml/issues/166
