public DualKeyCacheBuilder<FK, SK, V> cacheEvictionPolicy(DualKeyCachePolicy policy) {
    this.policy = policy;
    return this;
  }
Define the cache eviction policy of dual key cache.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/cache/schema/dualkeycache/impl/DualKeyCacheBuilder.java