PsiJetFileStubImpl[package=]
  PACKAGE_DIRECTIVE
  IMPORT_LIST
  PROPERTY[fqName=z, hasBackingField=null, hasDelegate=false, hasDelegateExpression=false, hasInitializer=true, hasReturnTypeRef=false, isExtension=false, isTopLevel=true, isVar=false, name=z]
  FUN[fqName=foo, hasBody=true, hasNoExpressionBody=true, hasTypeParameterListBeforeFunctionName=false, isExtension=false, isTopLevel=true, mayHaveContract=false, name=foo]
    VALUE_PARAMETER_LIST
