ProposalStateUpdated: PlainDescriptor<
    {
        proposal_id: bigint;
        proposal_state: Enum<
            {
                Approved: undefined;
                Confirming: { since: bigint };
                Enacted: undefined;
                Ongoing: undefined;
                Rejected: undefined;
                SupersededBy: { id: bigint };
            },
        >;
    },
>