t() calls should be avoided in classes

FILE: ...n/web/modules/contrib/sendinblue/src/Plugin/Derivative/SendinblueBlock.php
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FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
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58 | WARNING | t() calls should be avoided in classes, use
| | \Drupal\Core\StringTranslation\StringTranslationTrait and
| | $this->t() instead
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FILE: ...web/modules/contrib/sendinblue/src/Entity/Controller/SignupListBuilder.php
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FOUND 0 ERRORS AND 4 WARNINGS AFFECTING 4 LINES
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59 | WARNING | t() calls should be avoided in classes, use
| | \Drupal\Core\StringTranslation\StringTranslationTrait and
| | $this->t() instead
65 | WARNING | t() calls should be avoided in classes, use
| | \Drupal\Core\StringTranslation\StringTranslationTrait and
| | $this->t() instead
70 | WARNING | t() calls should be avoided in classes, use
| | \Drupal\Core\StringTranslation\StringTranslationTrait and
| | $this->t() instead
73 | WARNING | t() calls should be avoided in classes, use
| | \Drupal\Core\StringTranslation\StringTranslationTrait and
| | $this->t() instead