https://monticore.github.io/monticore/monticore-grammar/javadoc/de/monticore/ocl/optionaloperators/_symboltable/OptionalOperatorsScope.html
OptionalOperatorsScope (monticore-grammar 7.9.0-SNAPSHOT API)
declaration: package: de.monticore.ocl.optionaloperators._symboltable, class: OptionalOperatorsScope
grammarsnapshotapi