pub fn ser_stream_update(
object_3: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::types::StreamUpdate,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
match input {
crate::types::StreamUpdate::AutomationStreamUpdate(inner) => {
#[allow(unused_mut)]
let mut object_1 = object_3.key("automationStreamUpdate").start_object();
crate::protocol_serde::shape_automation_stream_update::ser_automation_stream_update(&mut object_1, inner)?;
object_1.finish();
}
crate::types::StreamUpdate::Unknown => return Err(::aws_smithy_types::error::operation::SerializationError::unknown_variant("StreamUpdate")),
}
Ok(())
}