net.sf.freecol.common.model
Interfaces 
CostDecider
FreeColGameObjectListener
GoalDecider
Locatable
Location
ModelController
Nameable
Ownable
WorkLocation
Classes 
Building
BuildingType
BuildingType.Level
Colony
ColonyTile
ColonyTradeItem
DefaultCostDecider
DiplomaticTrade
Europe
FoundingFather
FreeColGameObject
Game
GameOptions
GoldTradeItem
Goods
GoodsContainer
GoodsTradeItem
GoodsType
IndianSettlement
LostCityRumour
Map
Map.Position
Market
ModelMessage
Modifier
Monarch
PathNode
PersistentObject
Player
Settlement
StanceTradeItem
Tension
Tile
TileType
TradeItem
TradeRoute
Turn
Unit
UnitContainer
UnitTradeItem
UnitType