pub fn ser_update_subscription_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::update_subscription::UpdateSubscriptionInput,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.arn {
object.key("arn").string(var_1.as_str());
}
if let Some(var_2) = &input.client_token {
object.key("clientToken").string(var_2.as_str());
}
if let Some(var_3) = &input.plan_tier {
object.key("planTier").string(var_3.as_str());
}
if let Some(var_4) = &input.usage_level {
object.key("usageLevel").string(var_4.as_str());
}
Ok(())
}