next_epoch: RuntimeDescriptor<[], { authorities: [FixedSizeBinary<32>, bigint][]; config: { allowed_slots: BabeAllowedSlots; c: FixedSizeArray<2, bigint>; }; duration: bigint; epoch_index: bigint; randomness: FixedSizeBinary<32>; start_slot: bigint; }>
Returns information regarding the next epoch (which was already previously announced).