Code Duplication    Length = 6-6 lines in 2 locations

src/Sheet.php 2 locations

@@ 99-104 (lines=6) @@
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        $columns = $this->columns;
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        $rows = $this->rows;
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        if (!$columns->contains($column)) {
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            $columns = $columns->put(
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                $column,
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                new Column($column, new Map('scalar', CellInterface::class))
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            );
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        }
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        if (!$rows->contains($row)) {
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            $rows = $rows->put(
@@ 106-111 (lines=6) @@
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            );
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        }
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        if (!$rows->contains($row)) {
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            $rows = $rows->put(
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                $row,
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                new Row($row, new Map('scalar', CellInterface::class))
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            );
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        }
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        $columns = $columns->put(
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            $column,