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#!./perl
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#
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# Copyright (c) 1995-2000, Raphael Manfredi
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#
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# You may redistribute only under the same terms as Perl 5, as specified
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# in the README file that comes with the distribution.
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#
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sub BEGIN {
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unshift @INC, 't';
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unshift @INC, 't/compat' if $] < 5.006002;
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require Config; import Config;
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if ($ENV{PERL_CORE} and $Config{'extensions'} !~ /\bStorable\b/) {
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print "1..0 # Skip: Storable was not built\n";
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exit 0;
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}
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require 'st-dump.pl';
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}
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use Storable qw(freeze thaw);
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$Storable::flags = Storable::FLAGS_COMPAT;
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use Test::More tests => 28;
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($scalar_fetch, $array_fetch, $hash_fetch) = (0, 0, 0);
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package TIED_HASH;
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sub TIEHASH {
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my $self = bless {}, shift;
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return $self;
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}
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sub FETCH {
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my $self = shift;
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my ($key) = @_;
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$main::hash_fetch++;
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return $self->{$key};
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}
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sub STORE {
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my $self = shift;
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my ($key, $value) = @_;
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$self->{$key} = $value;
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}
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sub FIRSTKEY {
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my $self = shift;
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scalar keys %{$self};
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return each %{$self};
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}
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sub NEXTKEY {
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my $self = shift;
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return each %{$self};
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}
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sub STORABLE_freeze {
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my $self = shift;
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$main::hash_hook1++;
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return join(":", keys %$self) . ";" . join(":", values %$self);
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}
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sub STORABLE_thaw {
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my ($self, $cloning, $frozen) = @_;
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my ($keys, $values) = split(/;/, $frozen);
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my @keys = split(/:/, $keys);
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my @values = split(/:/, $values);
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for (my $i = 0; $i < @keys; $i++) {
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$self->{$keys[$i]} = $values[$i];
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}
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$main::hash_hook2++;
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}
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package TIED_ARRAY;
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sub TIEARRAY {
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my $self = bless [], shift;
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return $self;
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}
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sub FETCH {
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my $self = shift;
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my ($idx) = @_;
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$main::array_fetch++;
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return $self->[$idx];
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}
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sub STORE {
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my $self = shift;
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my ($idx, $value) = @_;
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$self->[$idx] = $value;
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}
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sub FETCHSIZE {
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my $self = shift;
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return @{$self};
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}
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sub STORABLE_freeze {
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my $self = shift;
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$main::array_hook1++;
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return join(":", @$self);
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}
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sub STORABLE_thaw {
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my ($self, $cloning, $frozen) = @_;
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@$self = split(/:/, $frozen);
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$main::array_hook2++;
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}
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package TIED_SCALAR;
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sub TIESCALAR {
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my $scalar;
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my $self = bless \$scalar, shift;
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return $self;
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}
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sub FETCH {
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my $self = shift;
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$main::scalar_fetch++;
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return $$self;
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}
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sub STORE {
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my $self = shift;
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my ($value) = @_;
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$$self = $value;
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}
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sub STORABLE_freeze {
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my $self = shift;
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$main::scalar_hook1++;
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return $$self;
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}
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sub STORABLE_thaw {
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my ($self, $cloning, $frozen) = @_;
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$$self = $frozen;
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$main::scalar_hook2++;
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}
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package main;
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$a = 'toto';
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$b = \$a;
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$c = tie %hash, TIED_HASH;
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$d = tie @array, TIED_ARRAY;
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tie $scalar, TIED_SCALAR;
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$scalar = 'foo';
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$hash{'attribute'} = 'plain value';
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$array[0] = \$scalar;
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$array[1] = $c;
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$array[2] = \@array;
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$array[3] = "plaine scalaire";
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@tied = (\$scalar, \@array, \%hash);
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%a = ('key', 'value', 1, 0, $a, $b, 'cvar', \$a, 'scalarref', \$scalar);
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@a = ('first', 3, -4, -3.14159, 456, 4.5, $d, \$d,
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$b, \$a, $a, $c, \$c, \%a, \@array, \%hash, \@tied);
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my $f = freeze(\@a);
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isnt($f, undef);
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$dumped = &dump(\@a);
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isnt($dumped, undef);
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$root = thaw($f);
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isnt($root, undef);
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$got = &dump($root);
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isnt($got, undef);
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isnt($got, $dumped); # our hooks did not handle refs in array
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$g = freeze($root);
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is(length $f, length $g);
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# Ensure the tied items in the retrieved image work
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@old = ($scalar_fetch, $array_fetch, $hash_fetch);
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@tied = ($tscalar, $tarray, $thash) = @{$root->[$#{$root}]};
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@type = qw(SCALAR ARRAY HASH);
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is(ref tied $$tscalar, 'TIED_SCALAR');
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is(ref tied @$tarray, 'TIED_ARRAY');
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is(ref tied %$thash, 'TIED_HASH');
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@new = ($$tscalar, $tarray->[0], $thash->{'attribute'});
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@new = ($scalar_fetch, $array_fetch, $hash_fetch);
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# Tests 10..15
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for ($i = 0; $i < @new; $i++) {
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is($new[$i], $old[$i] + 1); # Tests 10,12,14
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is(ref $tied[$i], $type[$i]); # Tests 11,13,15
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}
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is($$tscalar, 'foo');
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is($tarray->[3], 'plaine scalaire');
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is($thash->{'attribute'}, 'plain value');
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# Ensure hooks were called
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is($scalar_hook1, 2);
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is($scalar_hook2, 1);
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is($array_hook1, 2);
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is($array_hook2, 1);
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is($hash_hook1, 2);
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is($hash_hook2, 1);
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#
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# And now for the "blessed ref to tied hash" with "store hook" test...
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#
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my $bc = bless \%hash, 'FOO'; # FOO does not exist -> no hook
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my $bx = thaw freeze $bc;
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is(ref $bx, 'FOO');
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my $old_hash_fetch = $hash_fetch;
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my $v = $bx->{attribute};
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is($hash_fetch, $old_hash_fetch + 1, 'Still tied');
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package TIED_HASH_REF;
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sub STORABLE_freeze {
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my ($self, $cloning) = @_;
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return if $cloning;
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return('ref lost');
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}
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sub STORABLE_thaw {
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my ($self, $cloning, $data) = @_;
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return if $cloning;
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}
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package main;
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$bc = bless \%hash, 'TIED_HASH_REF';
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$bx = thaw freeze $bc;
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is(ref $bx, 'TIED_HASH_REF');
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$old_hash_fetch = $hash_fetch;
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$v = $bx->{attribute};
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is($hash_fetch, $old_hash_fetch + 1, 'Still tied');
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