def __init__(self, type_constraints) -> None:
"""Initialize a type store with all the built-in types from the typeshed module."""
self.type_constraints = type_constraints
self.classes = defaultdict(lambda: defaultdict(list))
self.functions = defaultdict(list)
self.methods = defaultdict(list)
builder = AstroidBuilder()
module = builder.file_build(TYPE_SHED_PATH)
self._parse_classes(module)
self._parse_functions(module)
# Add in initializers
for klass_name, methods in self.classes.items():
if '__init__' in methods:
self.functions[klass_name] = [class_callable(init) for init, _ in methods['__init__']]