<?php

namespace Ups_track\UPStrackStruct;

use \WsdlToPhp\PackageBase\AbstractStructBase;

/**
 * This class stands for Property UPStrackStruct
 * @package Ups_track
 * @subpackage Structs
 */
class Ups_trackProperty extends AbstractStructBase
{
    /**
     * The Key
     * Meta information extracted from the WSDL
     * - use: required
     * @var string
     */
    public $Key;
    /**
     * The _
     * @var string
     */
    public $_;
    /**
     * Constructor method for Property
     * @uses Ups_trackProperty::setKey()
     * @uses Ups_trackProperty::set_()
     * @param string $key
     * @param string $_
     */
    public function __construct($key = null, $_ = null)
    {
        $this
            ->setKey($key)
            ->set_($_);
    }
    /**
     * Get Key value
     * @return string
     */
    public function getKey()
    {
        return $this->Key;
    }
    /**
     * Set Key value
     * @param string $key
     * @return \Ups_track\UPStrackStruct\Ups_trackProperty
     */
    public function setKey($key = null)
    {
        // validation for constraint: string
        if (!is_null($key) && !is_string($key)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($key, true), gettype($key)), __LINE__);
        }
        $this->Key = $key;
        return $this;
    }
    /**
     * Get _ value
     * @return string|null
     */
    public function get_()
    {
        return $this->_;
    }
    /**
     * Set _ value
     * @param string $_
     * @return \Ups_track\UPStrackStruct\Ups_trackProperty
     */
    public function set_($_ = null)
    {
        // validation for constraint: string
        if (!is_null($_) && !is_string($_)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($_, true), gettype($_)), __LINE__);
        }
        $this->_ = $_;
        return $this;
    }
}