{
  "specNoForInOfAssignment": "validation.noForInOfAssignment",
  "specSetters": "validation.setters",
  "specBlockScopedFunctions": "spec.blockScopedFunctions",
  "malletOperator": "playground.malletOperator",
  "methodBinding": "playground.methodBinding",
  "memoizationOperator": "playground.memoizationOperator",
  "objectGetterMemoization": "playground.objectGetterMemoization",
  "modules": "es6.modules",
  "propertyNameShorthand": "es6.properties.shorthand",
  "arrayComprehension": "es7.comprehensions",
  "generatorComprehension": "es7.comprehensions",
  "arrowFunctions": "es6.arrowFunctions",
  "classes": "es6.classes",
  "objectSpread": "es7.objectSpread",
  "exponentiationOperator": "es7.exponentiationOperator",
  "spread": "es6.spread",
  "templateLiterals": "es6.templateLiterals",
  "propertyMethodAssignment": "es6.properties.shorthand",
  "computedPropertyNames": "es6.properties.computed",
  "defaultParameters": "es6.parameters.default",
  "restParameters": "es6.parameters.rest",
  "destructuring": "es6.destructuring",
  "forOf": "es6.forOf",
  "unicodeRegex": "es6.unicodeRegex",
  "abstractReferences": "es7.abstractReferences",
  "constants": "es6.constants",
  "letScoping": "es6.letScoping",
  "blockScopingTDZ": "es6.blockScopingTDZ",
  "generators": "regenerator",
  "protoToAssign": "spec.protoToAssign",
  "typeofSymbol": "spec.typeofSymbol",
  "coreAliasing": "selfContained",
  "undefinedToVoid": "spec.undefinedToVoid",
  "undeclaredVariableCheck": "validation.undeclaredVariableCheck",
  "specPropertyLiterals": "minification.propertyLiterals",
  "specMemberExpressionLiterals": "minification.memberExpressionLiterals"
}