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    Type Alias BookStateFor

    BookStateFor: StorageDescriptor<
        [Key: ParachainsInclusionAggregateMessageOrigin],
        {
            begin: number;
            count: number;
            end: number;
            message_count: bigint;
            ready_neighbours?: {
                next: ParachainsInclusionAggregateMessageOrigin;
                prev: ParachainsInclusionAggregateMessageOrigin;
            };
            size: bigint;
        },
        false,
        never,
    >

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