set_parameter: TxDescriptor<
    {
        key_value: Enum<
            {
                Inflation: Enum<
                    {
                        Falloff: FixedSizeArray<1, bigint | undefined>;
                        IdealStake: FixedSizeArray<1, bigint | undefined>;
                        MaxInflation: FixedSizeArray<1, bigint | undefined>;
                        MinInflation: FixedSizeArray<1, bigint | undefined>;
                        UseAuctionSlots: FixedSizeArray<1, boolean | undefined>;
                    },
                >;
            },
        >;
    },
>

Set the value of a parameter.

The dispatch origin of this call must be AdminOrigin for the given key. Values be deleted by setting them to None.