pub fn ser_delete_principal_mapping_input_input(
object: &mut ::aws_smithy_json::serialize::JsonObjectWriter,
input: &crate::operation::delete_principal_mapping::DeletePrincipalMappingInput,
) -> Result<(), ::aws_smithy_types::error::operation::SerializationError> {
if let Some(var_1) = &input.index_id {
object.key("IndexId").string(var_1.as_str());
}
if let Some(var_2) = &input.data_source_id {
object.key("DataSourceId").string(var_2.as_str());
}
if let Some(var_3) = &input.group_id {
object.key("GroupId").string(var_3.as_str());
}
if let Some(var_4) = &input.ordering_id {
object.key("OrderingId").number(
#[allow(clippy::useless_conversion)]
::aws_smithy_types::Number::NegInt((*var_4).into()),
);
}
Ok(())
}