If there is no engine available, this code result in an infinite loop: https://github.com/nidi3/graphviz-java/blob/f0c1fdfa37c8b9876ef1dcccec1a6c19219e727e/graphviz-java/src/main/java/guru/nidi/graphviz/engine/Graphviz.java#L111C2-L114C1
