code: def check(self, x):
      if not isinstance(x, (pd.DataFrame, np.ndarray, tf.data.Dataset)):
          raise TypeError(
              "Unsupported type {type} for "
              "{name}.".format(
                  type=type(x), name=self.__class__.__name__
              )
          )
  
imports: import numpy
  import pandas
  import tensorflow
  from autokeras.engine import adapter
label_desc: Use image node_id 1 for calling the StructuredDataAdapter obj's underlying member method code with example usage: obj.check(x) without return types