object(Duplicates)#2 (1) {
  ["duplicates":"Duplicates":private]=>
  array(4) {
    ["/home/jean/Pictures/agc4.png"]=>
    array(3) {
      [0]=>
      string(26) "/home/jean/Pictures/t5.png"
      [1]=>
      string(28) "/home/jean/Pictures/agc4.png"
      [2]=>
      string(26) "/home/jean/Pictures/t3.png"
    }
    ["/home/jean/Pictures/test2.jpg"]=>
    array(7) {
      [0]=>
      string(28) "/home/jean/Pictures/test.png"
      [1]=>
      string(29) "/home/jean/Pictures/test2.jpg"
      [2]=>
      string(29) "/home/jean/Pictures/input.jpg"
      [3]=>
      string(29) "/home/jean/Pictures/test1.jpg"
      [4]=>
      string(27) "/home/jean/Pictures/foo.png"
      [5]=>
      string(31) "/home/jean/Pictures/input99.jpg"
      [6]=>
      string(42) "/home/jean/Pictures/foobarbarbarbarbar.jpg"
    }
    ["/home/jean/Pictures/agc_tr6.png"]=>
    array(2) {
      [0]=>
      string(30) "/home/jean/Pictures/agc_r6.png"
      [1]=>
      string(31) "/home/jean/Pictures/agc_tr6.png"
    }
    ["/home/jean/Pictures/test.jpg"]=>
    array(2) {
      [0]=>
      string(30) "/home/jean/Pictures/foobar.jpg"
      [1]=>
      string(28) "/home/jean/Pictures/test.jpg"
    }
  }
}