• BufferPolicy : ScriptCompiler::CachedData
• CompileOptions : ScriptCompiler
• CompressionAlgorithm : StartupData
• ControlOption : ActivityControl
• Encoding : String
• EventType : JitCodeEvent
• ExpectedRuntime : Platform
• Flags : RegExp
• GarbageCollectionType : Isolate
• NewStringType : String
• OnFailure : Isolate::DisallowJavascriptExecutionScope
• PositionType : JitCodeEvent
• SerializationFormat : HeapSnapshot
• StackTraceOptions : StackTrace
• StressType : Testing
• Type : HeapGraphEdge , HeapGraphNode
• UseCounterFeature : Isolate
• WriteOptions : String
• WriteResult : OutputStream