Php 8.1 compatibility issue

Deprecated: Return type of plainview\sdk\collections\collection::offsetGet($key) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/old_sdk/collection.php on line 410

Deprecated: Return type of plainview\sdk\collections\collection::offsetSet($key, $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 /wp-content/plugins/threewp-broadcast/src/old_sdk/collection.php on line 422

Deprecated: Return type of plainview\sdk\collections\collection::offsetUnset($key) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/old_sdk/collection.php on line 436

Deprecated: Return type of plainview\sdk\collections\collection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/old_sdk/collection.php on line 90

Deprecated: Return type of plainview\sdk\collections\collection::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/old_sdk/collection.php on line 189

Deprecated: Return type of plainview\sdk_broadcast\collections\collection::offsetExists($key) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/sdk/collections/collection.php on line 431

Deprecated: Return type of plainview\sdk_broadcast\collections\collection::offsetGet($key) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/sdk/collections/collection.php on line 442

Deprecated: Return type of plainview\sdk_broadcast\collections\collection::offsetSet($key, $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 wp-content/plugins/threewp-broadcast/src/sdk/collections/collection.php on line 454

Deprecated: Return type of plainview\sdk_broadcast\collections\collection::offsetUnset($key) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/sdk/collections/collection.php on line 469

Deprecated: Return type of plainview\sdk_broadcast\collections\collection::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/sdk/collections/collection.php on line 102

Deprecated: Return type of plainview\sdk_broadcast\collections\collection::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /wp-content/plugins/threewp-broadcast/src/sdk/collections/collection.php on line 203