Upload files to 'includes'

includes/Capability.php

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+<?php
+/**
+ * Capability interface declaring the known capabilities.
+ *
+ * @package Requests\Utilities
+ */
+
+namespace WpOrg\Requests;
+
+/**
+ * Capability interface declaring the known capabilities.
+ *
+ * This is used as the authoritative source for which capabilities can be queried.
+ *
+ * @package Requests\Utilities
+ */
+interface Capability {
+
+	/**
+	 * Support for SSL.
+	 *
+	 * @var string
+	 */
+	const SSL = 'ssl';
+
+	/**
+	 * Collection of all capabilities supported in Requests.
+	 *
+	 * Note: this does not automatically mean that the capability will be supported for your chosen transport!
+	 *
+	 * @var array<string>
+	 */
+	const ALL = [
+		self::SSL,
+	];
+}