pub fn ser_list_connection_groups_input_input_input(
input: &crate::operation::list_connection_groups::ListConnectionGroupsInput,
writer: ::aws_smithy_xml::encode::ElWriter,
) -> ::std::result::Result<(), ::aws_smithy_types::error::operation::SerializationError> {
#[allow(unused_mut)]
let mut scope = writer.finish();
if let Some(var_1) = &input.association_filter {
let inner_writer = scope.start_el("AssociationFilter");
crate::protocol_serde::shape_connection_group_association_filter::ser_connection_group_association_filter(var_1, inner_writer)?
}
if let Some(var_2) = &input.marker {
let mut inner_writer = scope.start_el("Marker").finish();
inner_writer.data(var_2.as_str());
}
if let Some(var_3) = &input.max_items {
let mut inner_writer = scope.start_el("MaxItems").finish();
inner_writer.data(::aws_smithy_types::primitive::Encoder::from(*var_3).encode());
}
scope.finish();
Ok(())
}