pub fn ser_master_user_options(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::types::MasterUserOptions,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.master_user_arn {
object.key("MasterUserARN").string(var_1.as_str());
}
if let Some(var_2) = &input.master_user_name {
object.key("MasterUserName").string(var_2.as_str());
}
if let Some(var_3) = &input.master_user_password {
object.key("MasterUserPassword").string(var_3.as_str());
}
Ok(())
}