Cleanup for Storage, move up one level in namespace

src/Storage/QueryInterface.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Bolt\Storage;
+
+use Doctrine\ORM\QueryBuilder;
+
+/**
+ * Interface that defines minimum functionality of a Bolt Query class.
+ *
+ * The goal of a query is to store select and filter parameters that can be
+ * used to create a relevant SQL expression.
+ */
+interface QueryInterface
+{
+    /**
+     * Builds the query and returns an instance of QueryBuilder.
+     */
+    public function build(): QueryBuilder;
+
+    /**
+     * Returns the current instance of QueryBuilder.
+     */
+    public function getQueryBuilder(): QueryBuilder;
+
+    public function __toString(): string;
+}