class_docstr: Matches patterns to apply transforms in a tf.keras model graph.
code: def _find_pattern(self, pattern, matched_layers=None):
      for layer in self._config["layers"]:
          if (
              matched_layers
              and layer["config"]["name"] in matched_layers
          ):
              continue
          match_layer = self._match_layer_with_inputs(
              layer, pattern, is_head_node=True
          )
          if match_layer:
              return match_layer
  
      return None
  
imports: import collections
  import copy
  import re
  import tensorflow
  from tensorflow_model_optimization.python.core.quantization.keras.graph_transformations import transforms
label_desc: Use image node_id 17 for calling the ModelTransformer obj's underlying member method code with example usage: obj._find_pattern(pattern, matched_layers) and returns: None, match_layer