Member predicate UnknownClassInternal::introducedAt

Holds if this object is introduced into the code base at node given the context This means that node, in context, points-to this object, but the object has not flowed there from anywhere else. Examples:

• The object None is “introduced” by the keyword “None”.
• A bound method would be “introduced” when relevant attribute on an instance is accessed. In x = X(); x.m x.m introduces the bound method.