{"ast_node_type":"struct","tokens":[{"end":97,"kind":"keyword","start":0,"text":"//"}]}
    // the size of the VecCache struct and avoid uselessly small allocations, we instead have the
    // Typically that would mean 31 buckets (2^0 + 2^1 ... + 2^31 = u32::MAX - 1), but to reduce
    // first bucket have 2**12 entries. To simplify the math, the second bucket also 2**12 entries,