internal static extern JsErrorCode JsConstructObject(JsValue function, JsValue[] arguments,
			ushort argumentCount, out JsValue result);

		internal static extern JsErrorCode JsGetUndefinedValue(out JsValue undefinedValue);

		/// <summary>
		/// Initializes a new instance of the <see cref="JsScriptException"/> class
		/// </summary>
		/// <param name="errorCode">The error code returned</param>
		/// <param name="error">The JavaScript error object</param>
		public JsScriptException(JsErrorCode errorCode, JsValue error)
			: this(errorCode, error, "JavaScript Exception")
		{ }

		internal static extern JsErrorCode JsGetSymbolFromPropertyId(JsPropertyId propertyId, out JsValue symbol);

		internal static extern JsErrorCode JsCreateSymbol(JsValue description, out JsValue symbol);

		internal static extern JsErrorCode JsAddRef(JsValue reference, out uint count);

		internal static extern JsErrorCode JsSetObjectBeforeCollectCallback(JsValue reference, IntPtr callbackState,
			JsObjectBeforeCollectCallback beforeCollectCallback);

		internal static extern JsErrorCode JsSetException(JsValue exception);

		internal static extern JsErrorCode JsCreateStringUtf8(string content, UIntPtr length, out JsValue value);

		internal static extern JsErrorCode JsCreateURIError(JsValue message, out JsValue error);

		internal static extern JsErrorCode JsGetAndClearException(out JsValue exception);

		internal static extern JsErrorCode JsCreateReferenceError(JsValue message, out JsValue error);

		internal static extern JsErrorCode JsCreateNamedFunction(JsValue name, JsNativeFunction nativeFunction,
			IntPtr callbackState, out JsValue function);

		internal static extern JsErrorCode JsCreateFunction(JsNativeFunction nativeFunction, IntPtr externalData,
			out JsValue function);

		internal static extern JsErrorCode JsPointerToString(string value, UIntPtr stringLength,
			out JsValue stringValue);

		internal static extern JsErrorCode JsCopyStringUtf8(JsValue value, byte[] buffer, UIntPtr bufferSize,
			out UIntPtr written);

		internal static extern JsErrorCode JsStringToPointer(JsValue value, out IntPtr stringValue,
			out UIntPtr stringLength);

		internal static extern JsErrorCode JsRun(JsValue script, JsSourceContext sourceContext, JsValue sourceUrl,
			JsParseScriptAttributes parseAttributes, out JsValue result);

		internal static extern JsErrorCode JsRelease(JsValue reference, out uint count);

		internal static extern JsErrorCode JsSerialize(JsValue script, out JsValue buffer,
			JsParseScriptAttributes parseAttributes);