added php download of membershipments

vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/RichText/ITextElement.php

@@ -0,0 +1,38 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet\RichText;
+
+use PhpOffice\PhpSpreadsheet\Style\Font;
+
+interface ITextElement
+{
+    /**
+     * Get text.
+     *
+     * @return string Text
+     */
+    public function getText();
+
+    /**
+     * Set text.
+     *
+     * @param string $text Text
+     *
+     * @return ITextElement
+     */
+    public function setText($text);
+
+    /**
+     * Get font.
+     *
+     * @return null|Font
+     */
+    public function getFont();
+
+    /**
+     * Get hash code.
+     *
+     * @return string Hash code
+     */
+    public function getHashCode();
+}