pub fn ser_update_stack_instances_input_input_input(
input: &crate::operation::update_stack_instances::UpdateStackInstancesInput,
) -> ::std::result::Result<::aws_smithy_types::body::SdkBody, ::aws_smithy_types::error::operation::SerializationError> {
let mut out = String::new();
#[allow(unused_mut)]
let mut writer = ::aws_smithy_query::QueryWriter::new(&mut out, "UpdateStackInstances", "2010-05-15");
#[allow(unused_mut)]
let mut scope_1 = writer.prefix("StackSetName");
if let Some(var_2) = &input.stack_set_name {
scope_1.string(var_2);
}
#[allow(unused_mut)]
let mut scope_3 = writer.prefix("Accounts");
if let Some(var_4) = &input.accounts {
let mut list_6 = scope_3.start_list(false, None);
for item_5 in var_4 {
#[allow(unused_mut)]
let mut entry_7 = list_6.entry();
entry_7.string(item_5);
}
list_6.finish();
}
#[allow(unused_mut)]
let mut scope_8 = writer.prefix("DeploymentTargets");
if let Some(var_9) = &input.deployment_targets {
crate::protocol_serde::shape_deployment_targets::ser_deployment_targets(scope_8, var_9)?;
}
#[allow(unused_mut)]
let mut scope_10 = writer.prefix("Regions");
if let Some(var_11) = &input.regions {
let mut list_13 = scope_10.start_list(false, None);
for item_12 in var_11 {
#[allow(unused_mut)]
let mut entry_14 = list_13.entry();
entry_14.string(item_12);
}
list_13.finish();
}
#[allow(unused_mut)]
let mut scope_15 = writer.prefix("ParameterOverrides");
if let Some(var_16) = &input.parameter_overrides {
let mut list_18 = scope_15.start_list(false, None);
for item_17 in var_16 {
#[allow(unused_mut)]
let mut entry_19 = list_18.entry();
crate::protocol_serde::shape_parameter::ser_parameter(entry_19, item_17)?;
}
list_18.finish();
}
#[allow(unused_mut)]
let mut scope_20 = writer.prefix("OperationPreferences");
if let Some(var_21) = &input.operation_preferences {
crate::protocol_serde::shape_stack_set_operation_preferences::ser_stack_set_operation_preferences(scope_20, var_21)?;
}
#[allow(unused_mut)]
let mut scope_22 = writer.prefix("OperationId");
if let Some(var_23) = &input.operation_id {
scope_22.string(var_23);
}
#[allow(unused_mut)]
let mut scope_24 = writer.prefix("CallAs");
if let Some(var_25) = &input.call_as {
scope_24.string(var_25.as_str());
}
writer.finish();
Ok(::aws_smithy_types::body::SdkBody::from(out))
}