ClaimQueue: StorageDescriptor<[], [number, {
    assignment: PolkadotRuntimeParachainsSchedulerCommonAssignment;
    availability_timeouts: number;
    ttl: number;
}], false>

One entry for each availability core. The VecDeque represents the assignments to be scheduled on that core. The value contained here will not be valid after the end of a block. Runtime APIs should be used to determine scheduled cores for the upcoming block.