<?php

namespace JR\NetSuite\Model\Config\Source;

class Taxclass implements \Magento\Framework\Option\ArrayInterface
{
    protected $taxClass;

    public function __construct(
        \Magento\Tax\Model\TaxClass\Source\Product $taxClass
    ) {
        $this->taxClass = $taxClass;
    }

    /**
     * @return array
     */
    public function toOptionArray()
    {
        return $this->taxClass->getAllOptions();
    }
}