def get_field_deserializers(self,) -> dict[str, Callable[[ParseNode], None]]:
        """
        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        """
        from .access_package_assignment_request_callback_data import AccessPackageAssignmentRequestCallbackData
        from .identity_governance.custom_task_extension_callback_data import CustomTaskExtensionCallbackData
        from .identity_governance.custom_task_extension_callout_data import CustomTaskExtensionCalloutData

        from .access_package_assignment_request_callback_data import AccessPackageAssignmentRequestCallbackData
        from .identity_governance.custom_task_extension_callback_data import CustomTaskExtensionCallbackData
        from .identity_governance.custom_task_extension_callout_data import CustomTaskExtensionCalloutData

        fields: dict[str, Callable[[Any], None]] = {
            "@odata.type": lambda n : setattr(self, 'odata_type', n.get_str_value()),
        }
        return fields

        The deserialization information for the current model
        Returns: dict[str, Callable[[ParseNode], None]]
        
msgraph/generated/models/custom_extension_data.py