pub fn ser_update_pull_through_cache_rule_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::update_pull_through_cache_rule::UpdatePullThroughCacheRuleInput,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.registry_id {
object.key("registryId").string(var_1.as_str());
}
if let Some(var_2) = &input.ecr_repository_prefix {
object.key("ecrRepositoryPrefix").string(var_2.as_str());
}
if let Some(var_3) = &input.credential_arn {
object.key("credentialArn").string(var_3.as_str());
}
if let Some(var_4) = &input.custom_role_arn {
object.key("customRoleArn").string(var_4.as_str());
}
Ok(())
}