whichVariant method
Implementation
Output_RedeemScriptOrHash_Variant whichVariant() =>
    _Output_RedeemScriptOrHash_VariantByTag[$_whichOneof(0)]!;Output_RedeemScriptOrHash_Variant whichVariant() =>
    _Output_RedeemScriptOrHash_VariantByTag[$_whichOneof(0)]!;