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