pub fn ser_list_retirable_grants_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::list_retirable_grants::ListRetirableGrantsInput,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.limit {
object.key("Limit").number(
#[allow(clippy::useless_conversion)]
::aws_smithy_types::Number::NegInt((*var_1).into()),
);
}
if let Some(var_2) = &input.marker {
object.key("Marker").string(var_2.as_str());
}
if let Some(var_3) = &input.retiring_principal {
object.key("RetiringPrincipal").string(var_3.as_str());
}
Ok(())
}