pub fn ser_add_thing_to_billing_group_input(
object: &mut aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::add_thing_to_billing_group::AddThingToBillingGroupInput,
) -> Result<(), aws_smithy_http::operation::error::SerializationError> {
if let Some(var_1) = &input.billing_group_arn {
object.key("billingGroupArn").string(var_1.as_str());
}
if let Some(var_2) = &input.billing_group_name {
object.key("billingGroupName").string(var_2.as_str());
}
if let Some(var_3) = &input.thing_arn {
object.key("thingArn").string(var_3.as_str());
}
if let Some(var_4) = &input.thing_name {
object.key("thingName").string(var_4.as_str());
}
Ok(())
}