Table Instance subclass heirarchy? [Solved]

I'm not talking about the object heirarchy

I need a simple way to build dictionary style 1D table containing all of the Instance subclass types, where each key is the ClassName (including types that are only inherited), and the value is a table that has its __index set to the table for the subclass.

What am I actually asking for?
I need either something to parse the entire list of Instance subclasses, or more ideally (currently) a table of tables with the inheritance structure already established.

Why? I need to provide override inheritance for Valkyrie method overrides, and until now I have lazily been simply checking the ClassName against the table of override methods.

Solved

local http = game:GetService("HttpService");
local instancetable = http:JSONDecode(http:GetAsync("http://jacob.easleycompany.com/api/apidump")).Class;
do local iOverrides = self.Overrides.Instance;
	for k,v in next, instancetable do
		iOverrides[k] = setmetatable({},{__index = iOverrides[v.BaseClassName]});
	end;
end;

This solution uses TickerOfTime's API Parser