begin with the interfaces

src/Query.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace QueryBuilder;
+
+interface Query
+{
+    /**
+     * Finishes the database query.
+     * @return array Query Results
+     */
+    public function query() : array;
+}

src/QueryBuilder.php

@@ -0,0 +1,19 @@
+<?php
+namespace QueryBuilder;
+
+interface QueryBuilder
+{
+    /**
+     * Initializes a Query instance.
+     * @param string ...$tableNames Instance will query on the joined tables.
+     * @return Query Generated instance to build on.
+     */
+    public static function makeQuery(string ...$tableNames) : Query;
+
+    /**
+     * Initializes an Update instance.
+     * @param string ...$tableNames Instance will update on the joined tables.
+     * @return Update Generated instance to build on.
+     */
+    public static function makeUpdate(string ...$tableNames) : Update;
+}

src/Update.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace QueryBuilder;
+
+interface Update
+{
+    /**
+     * Finishes the database update.
+     * @return array Query Results
+     */
+    public function query() : array;
+}