code: def match(self, node):
      if isinstance(node, Merge) and not isinstance(node, Concatenate):
          inp1 = node.get_input_variable(node.inputs[0])
          inp2 = node.get_input_variable(node.inputs[1])
          return inp1.shape != inp2.shape
      else:
          return False
  
imports: import numpy
  from hls4ml.backends.template import FunctionCallTemplate, LayerConfigTemplate
  from hls4ml.model.layers import Concatenate, Layer, Merge, register_layer
  from hls4ml.model.optimizer import OptimizerPass
label_desc: Use image node_id 1 for calling the BroadcastStream obj's underlying member method code with example usage: obj.match(node) and returns: unknown, False