Unused variable $rows.

FILE: D:\xampp\htdocs\drupal_10\web\modules\contrib\tcmb\src\Plugin\Block\TcmbCurrencyBlock.php
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51 | WARNING | Unused variable $rows.
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FILE: D:\xampp\htdocs\drupal_10\web\modules\contrib\tcmb\tcmb.install
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64 | WARNING | Unused variable $buying.
65 | WARNING | Unused variable $selling.
69 | WARNING | Unused variable $currency.
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