def serialize(self,writer: SerializationWriter) -> None:
        """
        Serializes information the current object
        param writer: Serialization writer to use to serialize this model
        Returns: None
        """
        if writer is None:
            raise TypeError("writer cannot be null.")
        super().serialize(writer)
        writer.write_int_value("blobCount", self.blob_count)
        writer.write_collection_of_object_values("blobs", self.blobs)
        writer.write_datetime_value("createdDateTime", self.created_date_time)
        writer.write_str_value("dataFormat", self.data_format)
        writer.write_str_value("eTag", self.e_tag)
        writer.write_str_value("partitionType", self.partition_type)
        writer.write_str_value("partnerTenantId", self.partner_tenant_id)
        writer.write_str_value("rootDirectory", self.root_directory)
        writer.write_str_value("sasToken", self.sas_token)
        writer.write_str_value("schemaVersion", self.schema_version)

        Serializes information the current object
        param writer: Serialization writer to use to serialize this model
        Returns: None
        
msgraph/generated/models/partners/billing/manifest.py