KtCallableReferenceExpression(84,92): 'obj::foo'
  KaCallResolutionSuccess:
    call = KaCallableReferenceCall:
      contextArguments = []
      dispatchReceiver = null
      extensionReceiver = KaExplicitReceiverValue:
        expression = obj
        isSafeNavigation = false
        type = Foo
      signature = KaVariableSignature:
        name = foo
        receiverType = Foo
        returnType = kotlin.String
        symbol = val foo: kotlin.String
        contextParameters = []
        callableId = /foo
      typeArgumentsMapping = {}