text: # coding: utf-8
  
  from __future__ import absolute_import
  from datetime import date, datetime  # noqa: F401
  
  from typing import List, Dict  # noqa: F401
  
  from openapi_server.com.h21lab.TS29573_N32_Handshake.handler.base_model_ import Model
  from openapi_server.com.h21lab.TS29573_N32_Handshake.handler.callback_name import CallbackName
  from openapi_server import util
  
  from openapi_server.com.h21lab.TS29573_N32_Handshake.handler.callback_name import CallbackName  # noqa: E501
  
  class ApiSignature(Model):
      """NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
  
      Do not edit the class manually.
      """
  
      def __init__(self, callback_type=None):  # noqa: E501
          """ApiSignature - a model defined in OpenAPI
  
          :param callback_type: The callback_type of this ApiSignature.  # noqa: E501
          :type callback_type: str
          """
          self.openapi_types = {
              'callback_type': str
          }
  
          self.attribute_map = {
              'callback_type': 'callbackType'
          }
  
          self._callback_type = callback_type
  
      @classmethod
      def from_dict(cls, dikt) -> 'ApiSignature':
          """Returns the dict as a model
  
          :param dikt: A dict.
          :type: dict
          :return: The ApiSignature of this ApiSignature.  # noqa: E501
          :rtype: ApiSignature
          """
          return util.deserialize_model(dikt, cls)
  
      @property
      def callback_type(self):
          """Gets the callback_type of this ApiSignature.
  
  
          :return: The callback_type of this ApiSignature.
          :rtype: str
          """
          return self._callback_type
  
      @callback_type.setter
      def callback_type(self, callback_type):
          """Sets the callback_type of this ApiSignature.
  
  
          :param callback_type: The callback_type of this ApiSignature.
          :type callback_type: str
          """
          if callback_type is None:
              raise ValueError("Invalid value for `callback_type`, must not be `None`")  # noqa: E501
  
          self._callback_type = callback_type
  