add seo plugin

vendor/spatie/schema-org/generator/Property.php

@@ -0,0 +1,46 @@
+<?php
+
+namespace Spatie\SchemaOrg\Generator;
+
+class Property
+{
+    public string $name;
+
+    public string $description;
+
+    public string $resource;
+
+    /** @var Type[] */
+    public array $types = [];
+
+    /** @var string[] */
+    public array $ranges = [];
+
+    public bool $pending = false;
+
+    public ?string $partOf;
+
+    public ?string $source;
+
+    public function addType(string $type): void
+    {
+        $this->types[] = $type;
+    }
+
+    public function addRanges(array $ranges): void
+    {
+        foreach ($ranges as $range) {
+            $this->addRange($range);
+        }
+
+        sort($this->ranges);
+    }
+
+    private function addRange(string $range): void
+    {
+        $this->ranges[] = $range;
+        $this->ranges[] = "{$range}[]";
+
+        $this->ranges = array_unique($this->ranges);
+    }
+}