allow setting protocol levels

src/Options.php

@@ -25,11 +25,32 @@ class Options implements IOptions {
 	/** @var int */
 	private $timeout = 20;
 
-	public function getTimeout() {
+	/** @var string|null */
+	private $minProtocol;
+	/** @var string|null */
+	private $maxProtocol;
+
+	public function getTimeout(): int {
 		return $this->timeout;
 	}
 
-	public function setTimeout($timeout) {
+	public function setTimeout(int $timeout) {
 		$this->timeout = $timeout;
 	}
+
+	public function getMinProtocol(): ?string {
+		return $this->minProtocol;
+	}
+
+	public function setMinProtocol(?string $minProtocol): void {
+		$this->minProtocol = $minProtocol;
+	}
+
+	public function getMaxProtocol(): ?string {
+		return $this->maxProtocol;
+	}
+
+	public function setMaxProtocol(?string $maxProtocol): void {
+		$this->maxProtocol = $maxProtocol;
+	}
 }