https://monticore.github.io/monticore/monticore-grammar/javadoc/de/monticore/javalight/cocos/MethodNoDuplicateModifier.html
MethodNoDuplicateModifier (monticore-grammar 7.9.0-SNAPSHOT API)
declaration: package: de.monticore.javalight.cocos, class: MethodNoDuplicateModifier
grammarsnapshotapi