The expression return $this->cache could return the type null which is incompatible with the type-hinted return Yiisoft\Cache\CacheInterface. Consider adding an additional type-check to rule them out.
The expression return $this->createMock...ectionInterface::class) returns the type PHPUnit\Framework\MockObject\MockObject which is incompatible with the type-hinted return Yiisoft\Db\Connection\ConnectionInterface.
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}
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public static function queryHelper(): QueryHelper
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{
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return new QueryHelper();
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}
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public function schemaCache(): SchemaCache
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{
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if ($this->schemaCache === null) {
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$this->schemaCache = new SchemaCache($this->cache());
The expression return $this->schemaCache could return the type null which is incompatible with the type-hinted return Yiisoft\Db\Cache\SchemaCache. Consider adding an additional type-check to rule them out.
yiisoft /
db
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