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    Type Alias ValidationData

    ValidationData: StorageDescriptor<
        [],
        {
            max_pov_size: number;
            parent_head: Binary;
            relay_parent_number: number;
            relay_parent_storage_root: FixedSizeBinary<32>;
        },
        true,
        never,
    >

    The [PersistedValidationData] set for this block. This value is expected to be set only once per block and it's never stored in the trie.