function Tile:isTile()
    return true
end

function Tile:isCreature()
    return false
end

function Tile:isLocalPlayer()
    return false
end

function Tile:isNpc()
    return false
end

function Tile:isMonster()
    return false
end

function Tile:isPlayer()
    return false
end

function Tile:isEffect()
    return false
end

function Tile:isMissile()
    return false
end

function Tile:isItem()
    return false
end

function Tile:isContainer()
    return false
end