KtCallableReferenceExpression(87,95): 'obj::foo'
  KaCallResolutionSuccess:
    call = KaCallableReferenceCall:
      contextArguments = []
      dispatchReceiver = KaExplicitReceiverValue:
        expression = obj
        isSafeNavigation = false
        type = Foo
      extensionReceiver = null
      signature = KaVariableSignature:
        name = foo
        receiverType = null
        returnType = kotlin.String
        symbol = val foo: kotlin.String
        contextParameters = []
        callableId = /Foo.foo
      typeArgumentsMapping = {}