android/guava/src/com/google/common/hash/BloomFilter.java
public BloomFilter<T> copy() {
    return new BloomFilter<T>(bits.copy(), numHashFunctions, funnel, strategy);
  }
public BloomFilter<T> copy() {
    return new BloomFilter<T>(bits.copy(), numHashFunctions, funnel, strategy);
  }
Creates a new {@code BloomFilter} that's a copy of this instance. The new instance is equal to
this instance but shares no mutable state.

@since 12.0