code: def resources(self):
      return Resources(
          num_wires=self.num_wires,
          num_gates=3,
          gate_types={"Identity": 1, "PauliZ": 2},
          gate_sizes={1: 3},
          depth=3,
      )
  
imports: from dataclasses import FrozenInstanceError
  from collections import defaultdict
  import pytest
  import pennylane
  from pennylane.operation import Operation
  from pennylane.tape import QuantumScript
  from pennylane.resource.resource import Resources, ResourcesOperation, _count_resources
  from pennylane.measurements import Shots
label_desc: Use image node_id 1 for calling the _CustomOpWithResource obj's underlying member method code with example usage: obj.resources() and returns: Resources