persisted_validation_data: RuntimeDescriptor<
    [para_id: number, assumption: OccupiedCoreAssumption],

        | {
            max_pov_size: number;
            parent_head: Binary;
            relay_parent_number: number;
            relay_parent_storage_root: FixedSizeBinary<32>;
        }
        | undefined,
>

Yields the persisted validation data for the given ParaId along with an assumption that should be used if the para currently occupies a core.

Returns None if either the para is not registered or the assumption is Freed and the para already occupies a core.