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Serializable, Comparable<FunctionValueType>, ConstableEnum.EnumDesc<E extends Enum<E>>static FunctionValueTypeforValue(int value) intgetValue()static FunctionValueTypestatic FunctionValueType[]values()Array 或 CalcReference。如果此参数是 retval 或 acceptCustomObjects,则值可以是自定义对象。name - the name of the enum constant to be returned.IllegalArgumentException - if this enum class has no constant with the specified nameNullPointerException - if the argument is null