             print("Version: \(versionDate)")
         }
         print("Quads: \(store.count)")
-
+        
         let indexes = store.availableQuadIndexes.joined(separator: ", ")
         print("Indexes: \(indexes)")
         

/**
 Print all the quads present in the database's QuadStore. If an index name is supplied,
 use it to print quads in its native order.

 - parameter index: The name of an index to use to sort the resulting output.
 */
func serialize<D : PageDatabase>(_ database: D, index: String? = nil) throws -> Int {

        }
    }
    let results = try e.evaluate(query: query)
    let count = printResult(results)
    if verbose {
        let endTime = getCurrentTime()
        let elapsed = endTime - startTime
        warn("query time: \(elapsed)s")
    }
    return count
}

private func printResult<R, T>(_ results: QueryResult<R, T>) -> Int {
    var count       = 0
    switch results {
    case .bindings(_, let iter):
        for result in iter {
