# Package org.multiverse.api.references

- Interface Summary
  Interface | Description
  --- | ---
  TxnBoolean | A Transactional Reference comparable to the Clojure Ref.
  TxnDouble | A Transactional Reference comparable to the Clojure Ref.
  TxnInteger | A Transactional Reference comparable to the Clojure Ref.
  TxnLong | A Transactional Reference comparable to the Clojure Ref.
  TxnRef<E> | A Transactional Reference comparable to the Clojure Ref.
  TxnRefFactory | A Factory for creating references.
  TxnRefFactoryBuilder | A Builder for creating a `TxnRefFactory`.