vendor and env first commit

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/AddressRange.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\Cell;
+
+/**
+ * @template T
+ */
+interface AddressRange
+{
+    public const MAX_ROW = 1048576;
+
+    public const MAX_COLUMN = 'XFD';
+
+    public const MAX_COLUMN_INT = 16384;
+
+    /**
+     * @return T
+     */
+    public function from(): mixed;
+
+    /**
+     * @return T
+     */
+    public function to(): mixed;
+
+    public function __toString(): string;
+}