pub fn ser_add_region_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::add_region::AddRegionInput,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.directory_id {
object.key("DirectoryId").string(var_1.as_str());
}
if let Some(var_2) = &input.region_name {
object.key("RegionName").string(var_2.as_str());
}
if let Some(var_3) = &input.vpc_settings {
#[allow(unused_mut)]
let mut object_4 = object.key("VPCSettings").start_object();
crate::protocol_serde::shape_directory_vpc_settings::ser_directory_vpc_settings(&mut object_4, var_3)?;
object_4.finish();
}
Ok(())
}