PsiJetFileStubImpl[package=test]
  PACKAGE_DIRECTIVE
    REFERENCE_EXPRESSION[referencedName=test]
  IMPORT_LIST
  CLASS[classId=test/UnderscoreParameterName, fqName=test.UnderscoreParameterName, isClsStubCompiledToJvmDefaultImplementation=false, isEnumEntry=false, isInterface=false, isLocal=false, isTopLevel=true, name=UnderscoreParameterName, superNames=[]]
    CLASS_BODY
      PROPERTY[fqName=test.UnderscoreParameterName.foo, hasBackingField=null, hasDelegate=false, hasDelegateExpression=false, hasInitializer=false, hasReturnTypeRef=true, isExtension=false, isTopLevel=false, isVar=true, name=foo]
        TYPE_REFERENCE
          NULLABLE_TYPE
            USER_TYPE
              REFERENCE_EXPRESSION[referencedName=String]
        PROPERTY_ACCESSOR[hasBody=true, hasNoExpressionBody=false, isGetter=true, mayHaveContract=false]
          VALUE_PARAMETER_LIST
        PROPERTY_ACCESSOR[hasBody=true, hasNoExpressionBody=true, isGetter=false, mayHaveContract=false]
          VALUE_PARAMETER_LIST
            VALUE_PARAMETER[fqName=null, hasDefaultValue=false, hasValOrVar=false, isMutable=false, name=_]
