This file is indexed.

/usr/lib/slic3r/Slic3r/Surface.pm is in slic3r 1.2.9+dfsg-9~deb9u1.

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package Slic3r::Surface;
use strict;
use warnings;

require Exporter;
our @ISA = qw(Exporter);
our @EXPORT_OK   = qw(S_TYPE_TOP S_TYPE_BOTTOM S_TYPE_BOTTOMBRIDGE S_TYPE_INTERNAL S_TYPE_INTERNALSOLID S_TYPE_INTERNALBRIDGE S_TYPE_INTERNALVOID);
our %EXPORT_TAGS = (types => \@EXPORT_OK);

sub p {
    my $self = shift;
    return @{$self->polygons};
}

1;