openeuropa/oe_theme

Deprecated functions in ValueObjectBase

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Using oe_theme 3.0.0-beta18

Error message
Deprecated function: Return type of Drupal\oe_theme\ValueObject\ValueObjectBase::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include() (line 15 of themes/contrib/oe_theme/src/ValueObject/ValueObjectBase.php).
Deprecated function: Return type of Drupal\oe_theme\ValueObject\ValueObjectBase::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include() (line 15 of themes/contrib/oe_theme/src/ValueObject/ValueObjectBase.php).
Deprecated function: Return type of Drupal\oe_theme\ValueObject\ValueObjectBase::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include() (line 15 of themes/contrib/oe_theme/src/ValueObject/ValueObjectBase.php).
Deprecated function: Return type of Drupal\oe_theme\ValueObject\ValueObjectBase::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include() (line 15 of themes/contrib/oe_theme/src/ValueObject/ValueObjectBase.php).
Deprecated function: Return type of Drupal\oe_theme\ValueObject\ValueObjectBase::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include() (line 15 of themes/contrib/oe_theme/src/ValueObject/ValueObjectBase.php).