class_docstr: data is a ContextSet.
code: def infer(self):
      return self.data
  
imports: from jedi.evaluate.base_context import ContextSet, NO_CONTEXTS
  from jedi.common.utils import monkeypatch
label_desc: Use image node_id 1 for calling the LazyKnownContexts obj's underlying member method code with example usage: obj.infer() and returns: self