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Imports

• github.com/dgraph-io/ristretto
• github.com/pingcap/tidb/pkg/statistics
• github.com/pingcap/tidb/pkg/statistics/handle/cache/internal
• github.com/pingcap/tidb/pkg/statistics/handle/cache/internal/metrics
• github.com/pingcap/tidb/pkg/util/intest
• github.com/pingcap/tidb/pkg/util/logutil
• github.com/pingcap/tidb/pkg/util/memory
• go.uber.org/zap
• golang.org/x/exp/maps
• golang.org/x/exp/rand

Standard library imports

• sync
• sync/atomic