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our @EXPORT = qw/capture init $OUT $ERR is_valid_output/;
 
our $OUT;
our $ERR;
 
sub init {
    $FindBin::Bin .= "/.." if $FindBin::Bin !~ m!/\.\.!;
    $t::Plugin::Dummy::RUN_COUNTER = 0;
}
 
sub capture(&) {
    my $code = shift;
 
    $ERR = undef;
    $OUT = undef;
 
    tie *STDERR, 'IO::Scalar', \$ERR;
    tie *STDOUT, 'IO::Scalar', \$OUT;
 
        $code->();