=head3 holds
my $transfer = $item->holds();
my $holds = $item->holds();
my $transfer = $item->holds($params);
my $holds = $item->holds($params);
my $transfer = $item->holds({ found => 'W'});
my $holds = $item->holds({ found => 'W'});
Return reserves attached to an item, optionally accept a hashref of params to pass to search
Return holds attached to an item, optionally accept a hashref of params to pass to search
=cut
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