PayPal\Test\Api\RefundRequestTest::testSerializationDeserialization PHP Method

    public function testSerializationDeserialization()
    {
        $obj = new RefundRequest(self::getJson());
        $this->assertNotNull($obj);
        $this->assertNotNull($obj->getAmount());
        $this->assertNotNull($obj->getDescription());
        $this->assertNotNull($obj->getRefundSource());
        $this->assertNotNull($obj->getReason());
        $this->assertNotNull($obj->getInvoiceNumber());
        $this->assertNotNull($obj->getRefundAdvice());
        $this->assertEquals(self::getJson(), $obj->toJson());
        return $obj;
    }