pub fn ser_list_container_instances_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::list_container_instances::ListContainerInstancesInput,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.cluster {
object.key("cluster").string(var_1.as_str());
}
if let Some(var_2) = &input.filter {
object.key("filter").string(var_2.as_str());
}
if let Some(var_3) = &input.next_token {
object.key("nextToken").string(var_3.as_str());
}
if let Some(var_4) = &input.max_results {
object.key("maxResults").number(
#[allow(clippy::useless_conversion)]
::aws_smithy_types::Number::NegInt((*var_4).into()),
);
}
if let Some(var_5) = &input.status {
object.key("status").string(var_5.as_str());
}
Ok(())
}