Commanded.Middleware.Uniqueness.Adapter.release

You're seeing just the callback release, go back to Commanded.Middleware.Uniqueness.Adapter module for more information.
Link to this callback

release(key, value, owner, partition)

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Specs

release(key :: term(), value :: term(), owner :: term(), partition :: term()) ::
  :ok | {:error, :claimed_by_another_owner} | {:error, :unknown_error}

Releases a value record via key, value, owner, partition set