Add SDK parameter class

src/Appwrite/SDK/Parameter.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace Appwrite\SDK;
+
+use Utopia\Validator;
+
+class Parameter
+{
+    /**
+     * @param string $name
+     * @param string $description
+     * @param mixed|null $default
+     * @param Validator|callable|null $validator
+     * @param bool $optional
+     */
+    public function __construct(
+        protected string $name,
+        protected string $description = '',
+        protected mixed $default = null,
+        protected mixed $validator = null,
+        protected bool $optional = false,
+    )
+    {
+    }
+
+    public function getName(): string
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name): void
+    {
+        $this->name = $name;
+    }
+
+    public function getDescription(): string
+    {
+        return $this->description;
+    }
+
+    public function setDescription(string $description): void
+    {
+        $this->description = $description;
+    }
+
+    public function getDefault(): mixed
+    {
+        return $this->default;
+    }
+
+    public function setDefault(mixed $default): void
+    {
+        $this->default = $default;
+    }
+
+    public function getValidator(): mixed
+    {
+        return $this->validator;
+    }
+
+    public function setValidator(mixed $validator): void
+    {
+        $this->validator = $validator;
+    }
+
+    public function isOptional(): bool
+    {
+        return $this->optional;
+    }
+
+    public function setOptional(bool $optional): void
+    {
+        $this->optional = $optional;
+    }
+}