docstr: Save this module to path with protobuf format.
  :param modelPath: The path to save module, local file system,
                    HDFS and Amazon S3 is supported.
                    HDFS path should be like "hdfs://[host]:[port]/xxx"
                    Amazon S3 path should be like "s3a://bucket/xxx"
  :param weightPath: The Path for the parameters
  :param over_write: override the existing model on modelPath or not.
code: def saveModel(self, modelPath, weightPath=None, over_write=False):
      """
      Save this module to path with protobuf format.
      :param modelPath: The path to save module, local file system,
                        HDFS and Amazon S3 is supported.
                        HDFS path should be like "hdfs://[host]:[port]/xxx"
                        Amazon S3 path should be like "s3a://bucket/xxx"
      :param weightPath: The Path for the parameters
      :param over_write: override the existing model on modelPath or not.
      """
      super(KerasNet, self).saveModel(
          modelPath=modelPath,
          weightPath=weightPath,
          over_write=over_write,
      )
  
imports: import bigdl.dllib.keras.autograd
  from bigdl.dllib.feature.image import ImageSet
  from bigdl.dllib.feature.text import TextSet
  from bigdl.dllib.feature.common import FeatureSet
  from bigdl.dllib.keras.base import ZooKerasLayer
  from bigdl.dllib.keras.utils import *
  from bigdl.dllib.nn.layer import Layer
  from bigdl.dllib.utils.file_utils import callZooFunc
label_desc: Use image node_id 2 for calling the KerasNet obj's underlying member method code with example usage: obj.saveModel(modelPath, weightPath, over_write) without return types