https://monticore.github.io/monticore/monticore-grammar/javadoc/de/monticore/symbols/basicsymbols/_ast/ASTDiagram.html
ASTDiagram (monticore-grammar 7.9.0-SNAPSHOT API)
declaration: package: de.monticore.symbols.basicsymbols._ast, interface: ASTDiagram
grammarsnapshotapi