function RxInstanceUtils.observeLastNamedChildBrio(W,m,O)assert(typeof(W)=="\073\110\115\116\097\110\099\101","\066\097\100 \112\097\114\101\110\116")assert(type(m)=="\115\116\114\105\110\103","\066\097\100 \099\108\097\115\115\078\097\109\101")assert(type(O)=="\115\116\114\105\110\103","\066\097\100 \110\097\109\101")return Observable.new(function(q)local c=Maid.new()local function t(W)if not W:IsA(m)then return end local t=Maid.new()local function Z()if W.Name==O then local m=Brio.new(W)t._brio=m c._lastBrio=m q:Fire(m)else t._brio=nil end end t:GiveTask((W:GetPropertyChangedSignal("\078\097\109\101")):Connect(Z))Z()c[W]=t end c:GiveTask(W.ChildAdded:Connect(t))c:GiveTask(W.ChildRemoved:Connect(function(W)c[W]=nil end))for W,m in pairs(W:GetChildren())do t(m)end return c end)end

function RxInstanceUtils.observeLastNamedChildBrio(parent, className, name)
	assert(typeof(parent) == "Instance", "Bad parent")
	assert(type(className) == "string", "Bad className")
	assert(type(name) == "string", "Bad name")

	return Observable.new(function(sub)
		local topMaid = Maid.new()

		local function handleChild(child)
			if not child:IsA(className) then
				return
			end

			local maid = Maid.new()

			local function handleNameChanged()
				if child.Name == name then
					local brio = Brio.new(child)
					maid._brio = brio
					topMaid._lastBrio = brio

					sub:Fire(brio)
				else
					maid._brio = nil
				end
			end

			maid:GiveTask(child:GetPropertyChangedSignal("Name"):Connect(handleNameChanged))
			handleNameChanged()

			topMaid[child] = maid
		end

		topMaid:GiveTask(parent.ChildAdded:Connect(handleChild))
		topMaid:GiveTask(parent.ChildRemoved:Connect(function(child)
			topMaid[child] = nil
		end))

		for _, child in pairs(parent:GetChildren()) do
			handleChild(child)
		end

		return topMaid
	end)
end
