array(12) {
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  ["chart"]=>
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  string(0) ""
  ["title-color"]=>
  string(0) ""
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  ["table-style"]=>
  string(7) "style-1"
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  ["chart-table"]=>
  string(6) "[[""]]"
  ["chart-1"]=>
  array(0) {
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  ["chart-2"]=>
  array(0) {
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}