first commit

vendor/phpoffice/math/src/Math/Element/Semantics.php

@@ -0,0 +1,33 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpOffice\Math\Element;
+
+class Semantics extends AbstractGroupElement
+{
+    /**
+     * @var array<string, string>
+     */
+    protected $annotations = [];
+
+    public function addAnnotation(string $encoding, string $annotation): self
+    {
+        $this->annotations[$encoding] = $annotation;
+
+        return $this;
+    }
+
+    public function getAnnotation(string $encoding): ?string
+    {
+        return $this->annotations[$encoding] ?? null;
+    }
+
+    /**
+     * @return array<string, string>
+     */
+    public function getAnnotations(): array
+    {
+        return $this->annotations;
+    }
+}