Java Build Path:
- org.eclipse.uml2.uml_5.5.0.v20181203-1331.jar: https://mirrors.hit.edu.cn/eclipse/releases/2019-12/201912181000/plugins/
- guava-15.0.jar: https://repo1.maven.org/maven2/com/google/guava/guava/15.0/
- commons-collections4-4.4.jar: https://repo1.maven.org/maven2/org/apache/commons/commons-collections4/4.4/