   #
   # Returns promise for array.
   hkeys: (table) ->
-    Q(_.keys(@_hprivate[@key table] or {}))
+    Q(_.keys(@_private[@key table] or {}))
 
   # Public: Get all the values for the given hash table name
   #
   # Returns promise for array.
   hvals: (table) ->
-    Q(_.mapValues(@_hprivate[@key table] or {}, @deserialize.bind(@)))
+    Q(_.mapValues(@_private[@key table] or {}, @deserialize.bind(@)))
 
   # Public: Set a value in the specified hash table
   #
   # Returns promise for the value.
   hset: (table, key, value) ->
     table = @key table
-    @_hprivate[table] = @_hprivate[table] or {}
-    @_hprivate[table][key] = @serialize value
+    @_private[table] = @_private[table] or {}
+    @_private[table][key] = @serialize value
     Q(@)
 
   # Public: Get a value from the specified hash table.
   #
   # Returns: promise for the value.
   hget: (table, key) ->
-    Q(@deserialize @_hprivate[@key table][key])
+    Q(@deserialize @_private[@key table][key])
 
   # Public: Delete a field from a hash table
   #
   # Returns promise
   hdel: (table, key) ->
-    delete @_hprivate[@key table][key]
+    delete @_private[@key table][key]
     Q(@)
 
   # Public: Get the whole hash table as an object.
   #
   # Returns: promise for object.
   hgetall: (table) ->
-    Q(_.clone(_.mapValues(@_hprivate[@key table], @deserialize.bind @)))
+    Q(_.clone(_.mapValues(@_private[@key table], @deserialize.bind @)))
 
   # Public: increment the hash value by num atomically
   #

    @data =
      users: {}
      _private: {}
      _hprivate: {}

    @autoSave = true
    @ready = Q(@)

  keys: (searchKey = '') ->
    searchKey = @key searchKey
    Q(_.map(_.filter(_.keys(@data._private), (key) -> key.indexOf searchKey is 0), @unkey.bind(@)))

  # Public: transform a key from internal brain key, to user-facing key
  #
