func Benchmark_bucketMetacache_findCache(b *testing.B) {
	bm := newBucketMetacache("", false)
	const elements = 50000
	const paths = 100
	if elements%paths != 0 {
		b.Fatal("elements must be divisible by the number of paths")
	}
	var pathNames [paths]string
	for i := range pathNames[:] {
		pathNames[i] = fmt.Sprintf("prefix/%d", i)
	}
	for i := 0; i < elements; i++ {
		bm.findCache(listPathOptions{
			ID:           mustGetUUID(),

            .collect(ImmutableList.toImmutableList()),
        n -> n * Math.log(n),
        ImmutableList.of(
            QueryOp.create("BiMap.get", BiMap::get, Math::log),
            QueryOp.create("BiMap.inverse.get", (bm, o) -> bm.inverse().get(o), Math::log)));
  }

  /** All the ways to create an ImmutableBiMap. */
  enum ConstructionPathway {
    COPY_OF_MAP {
      @Override

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