se CGI;
use Text::Balanced qw(extract_bracketed extract_quotelike extract_codeblock);
use JSON::PP;
use XML::LibXML;
use Hash::Util qw(lock_ref_keys_plus lock_keys);
use MIME::Base
_ } $q->param($n) } $q->param ],
'X-Requested-With' => 'XMLHttpRequest');
my $d = decode_json $self->{mech}->content;
lock_ref_keys_plus($d, qw(code endcause calculated_balance));
$