<?php

namespace \NineDotMedia\viapost-php;

use \WsdlToPhp\PackageBase\AbstractStructBase;

/**
 * This class stands for SendSimpleMailingToSingleAddress StructType
 * @subpackage Structs
 */
class SendSimpleMailingToSingleAddress extends AbstractStructBase
{
    /**
     * The letterID
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var int
     */
    public $letterID;
    /**
     * The colour
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var bool
     */
    public $colour;
    /**
     * The simplex
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var bool
     */
    public $simplex;
    /**
     * The sendNow
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var bool
     */
    public $sendNow;
    /**
     * The dateToSend
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var string
     */
    public $dateToSend;
    /**
     * The emailNotification
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var bool
     */
    public $emailNotification;
    /**
     * The costOfMailing
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var float
     */
    public $costOfMailing;
    /**
     * The numberOfPages
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var int
     */
    public $numberOfPages;
    /**
     * The numberOfSheets
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 1
     * @var int
     */
    public $numberOfSheets;
    /**
     * The loginToken
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $loginToken;
    /**
     * The name
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $name;
    /**
     * The organisation
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $organisation;
    /**
     * The street1
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $street1;
    /**
     * The street2
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $street2;
    /**
     * The street3
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $street3;
    /**
     * The posttown
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $posttown;
    /**
     * The postcode
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $postcode;
    /**
     * The acceptAddressCorrectionsStr
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $acceptAddressCorrectionsStr;
    /**
     * The firstClassStr
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $firstClassStr;
    /**
     * The insertsStr
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $insertsStr;
    /**
     * The costCentreStr
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $costCentreStr;
    /**
     * The mergeFields
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var \\NineDotMedia\viapost-php\ArrayOfArrayOfString
     */
    public $mergeFields;
    /**
     * The affiliateGUID
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $affiliateGUID;
    /**
     * The mailingNameOverride
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $mailingNameOverride;
    /**
     * The returnMessage
     * Meta information extracted from the WSDL
     * - maxOccurs: 1
     * - minOccurs: 0
     * @var string
     */
    public $returnMessage;
    /**
     * Constructor method for SendSimpleMailingToSingleAddress
     * @uses SendSimpleMailingToSingleAddress::setLetterID()
     * @uses SendSimpleMailingToSingleAddress::setColour()
     * @uses SendSimpleMailingToSingleAddress::setSimplex()
     * @uses SendSimpleMailingToSingleAddress::setSendNow()
     * @uses SendSimpleMailingToSingleAddress::setDateToSend()
     * @uses SendSimpleMailingToSingleAddress::setEmailNotification()
     * @uses SendSimpleMailingToSingleAddress::setCostOfMailing()
     * @uses SendSimpleMailingToSingleAddress::setNumberOfPages()
     * @uses SendSimpleMailingToSingleAddress::setNumberOfSheets()
     * @uses SendSimpleMailingToSingleAddress::setLoginToken()
     * @uses SendSimpleMailingToSingleAddress::setName()
     * @uses SendSimpleMailingToSingleAddress::setOrganisation()
     * @uses SendSimpleMailingToSingleAddress::setStreet1()
     * @uses SendSimpleMailingToSingleAddress::setStreet2()
     * @uses SendSimpleMailingToSingleAddress::setStreet3()
     * @uses SendSimpleMailingToSingleAddress::setPosttown()
     * @uses SendSimpleMailingToSingleAddress::setPostcode()
     * @uses SendSimpleMailingToSingleAddress::setAcceptAddressCorrectionsStr()
     * @uses SendSimpleMailingToSingleAddress::setFirstClassStr()
     * @uses SendSimpleMailingToSingleAddress::setInsertsStr()
     * @uses SendSimpleMailingToSingleAddress::setCostCentreStr()
     * @uses SendSimpleMailingToSingleAddress::setMergeFields()
     * @uses SendSimpleMailingToSingleAddress::setAffiliateGUID()
     * @uses SendSimpleMailingToSingleAddress::setMailingNameOverride()
     * @uses SendSimpleMailingToSingleAddress::setReturnMessage()
     * @param int $letterID
     * @param bool $colour
     * @param bool $simplex
     * @param bool $sendNow
     * @param string $dateToSend
     * @param bool $emailNotification
     * @param float $costOfMailing
     * @param int $numberOfPages
     * @param int $numberOfSheets
     * @param string $loginToken
     * @param string $name
     * @param string $organisation
     * @param string $street1
     * @param string $street2
     * @param string $street3
     * @param string $posttown
     * @param string $postcode
     * @param string $acceptAddressCorrectionsStr
     * @param string $firstClassStr
     * @param string $insertsStr
     * @param string $costCentreStr
     * @param \\NineDotMedia\viapost-php\ArrayOfArrayOfString $mergeFields
     * @param string $affiliateGUID
     * @param string $mailingNameOverride
     * @param string $returnMessage
     */
    public function __construct($letterID = null, $colour = null, $simplex = null, $sendNow = null, $dateToSend = null, $emailNotification = null, $costOfMailing = null, $numberOfPages = null, $numberOfSheets = null, $loginToken = null, $name = null, $organisation = null, $street1 = null, $street2 = null, $street3 = null, $posttown = null, $postcode = null, $acceptAddressCorrectionsStr = null, $firstClassStr = null, $insertsStr = null, $costCentreStr = null, \\NineDotMedia\viapost-php\ArrayOfArrayOfString $mergeFields = null, $affiliateGUID = null, $mailingNameOverride = null, $returnMessage = null)
    {
        $this
            ->setLetterID($letterID)
            ->setColour($colour)
            ->setSimplex($simplex)
            ->setSendNow($sendNow)
            ->setDateToSend($dateToSend)
            ->setEmailNotification($emailNotification)
            ->setCostOfMailing($costOfMailing)
            ->setNumberOfPages($numberOfPages)
            ->setNumberOfSheets($numberOfSheets)
            ->setLoginToken($loginToken)
            ->setName($name)
            ->setOrganisation($organisation)
            ->setStreet1($street1)
            ->setStreet2($street2)
            ->setStreet3($street3)
            ->setPosttown($posttown)
            ->setPostcode($postcode)
            ->setAcceptAddressCorrectionsStr($acceptAddressCorrectionsStr)
            ->setFirstClassStr($firstClassStr)
            ->setInsertsStr($insertsStr)
            ->setCostCentreStr($costCentreStr)
            ->setMergeFields($mergeFields)
            ->setAffiliateGUID($affiliateGUID)
            ->setMailingNameOverride($mailingNameOverride)
            ->setReturnMessage($returnMessage);
    }
    /**
     * Get letterID value
     * @return int
     */
    public function getLetterID()
    {
        return $this->letterID;
    }
    /**
     * Set letterID value
     * @param int $letterID
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setLetterID($letterID = null)
    {
        // validation for constraint: int
        if (!is_null($letterID) && !(is_int($letterID) || ctype_digit($letterID))) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide an integer value, %s given', var_export($letterID, true), gettype($letterID)), __LINE__);
        }
        $this->letterID = $letterID;
        return $this;
    }
    /**
     * Get colour value
     * @return bool
     */
    public function getColour()
    {
        return $this->colour;
    }
    /**
     * Set colour value
     * @param bool $colour
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setColour($colour = null)
    {
        // validation for constraint: boolean
        if (!is_null($colour) && !is_bool($colour)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a bool, %s given', var_export($colour, true), gettype($colour)), __LINE__);
        }
        $this->colour = $colour;
        return $this;
    }
    /**
     * Get simplex value
     * @return bool
     */
    public function getSimplex()
    {
        return $this->simplex;
    }
    /**
     * Set simplex value
     * @param bool $simplex
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setSimplex($simplex = null)
    {
        // validation for constraint: boolean
        if (!is_null($simplex) && !is_bool($simplex)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a bool, %s given', var_export($simplex, true), gettype($simplex)), __LINE__);
        }
        $this->simplex = $simplex;
        return $this;
    }
    /**
     * Get sendNow value
     * @return bool
     */
    public function getSendNow()
    {
        return $this->sendNow;
    }
    /**
     * Set sendNow value
     * @param bool $sendNow
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setSendNow($sendNow = null)
    {
        // validation for constraint: boolean
        if (!is_null($sendNow) && !is_bool($sendNow)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a bool, %s given', var_export($sendNow, true), gettype($sendNow)), __LINE__);
        }
        $this->sendNow = $sendNow;
        return $this;
    }
    /**
     * Get dateToSend value
     * @return string
     */
    public function getDateToSend()
    {
        return $this->dateToSend;
    }
    /**
     * Set dateToSend value
     * @param string $dateToSend
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setDateToSend($dateToSend = null)
    {
        // validation for constraint: string
        if (!is_null($dateToSend) && !is_string($dateToSend)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($dateToSend, true), gettype($dateToSend)), __LINE__);
        }
        $this->dateToSend = $dateToSend;
        return $this;
    }
    /**
     * Get emailNotification value
     * @return bool
     */
    public function getEmailNotification()
    {
        return $this->emailNotification;
    }
    /**
     * Set emailNotification value
     * @param bool $emailNotification
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setEmailNotification($emailNotification = null)
    {
        // validation for constraint: boolean
        if (!is_null($emailNotification) && !is_bool($emailNotification)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a bool, %s given', var_export($emailNotification, true), gettype($emailNotification)), __LINE__);
        }
        $this->emailNotification = $emailNotification;
        return $this;
    }
    /**
     * Get costOfMailing value
     * @return float
     */
    public function getCostOfMailing()
    {
        return $this->costOfMailing;
    }
    /**
     * Set costOfMailing value
     * @param float $costOfMailing
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setCostOfMailing($costOfMailing = null)
    {
        // validation for constraint: float
        if (!is_null($costOfMailing) && !(is_float($costOfMailing) || is_numeric($costOfMailing))) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a float value, %s given', var_export($costOfMailing, true), gettype($costOfMailing)), __LINE__);
        }
        $this->costOfMailing = $costOfMailing;
        return $this;
    }
    /**
     * Get numberOfPages value
     * @return int
     */
    public function getNumberOfPages()
    {
        return $this->numberOfPages;
    }
    /**
     * Set numberOfPages value
     * @param int $numberOfPages
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setNumberOfPages($numberOfPages = null)
    {
        // validation for constraint: int
        if (!is_null($numberOfPages) && !(is_int($numberOfPages) || ctype_digit($numberOfPages))) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide an integer value, %s given', var_export($numberOfPages, true), gettype($numberOfPages)), __LINE__);
        }
        $this->numberOfPages = $numberOfPages;
        return $this;
    }
    /**
     * Get numberOfSheets value
     * @return int
     */
    public function getNumberOfSheets()
    {
        return $this->numberOfSheets;
    }
    /**
     * Set numberOfSheets value
     * @param int $numberOfSheets
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setNumberOfSheets($numberOfSheets = null)
    {
        // validation for constraint: int
        if (!is_null($numberOfSheets) && !(is_int($numberOfSheets) || ctype_digit($numberOfSheets))) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide an integer value, %s given', var_export($numberOfSheets, true), gettype($numberOfSheets)), __LINE__);
        }
        $this->numberOfSheets = $numberOfSheets;
        return $this;
    }
    /**
     * Get loginToken value
     * @return string|null
     */
    public function getLoginToken()
    {
        return $this->loginToken;
    }
    /**
     * Set loginToken value
     * @param string $loginToken
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setLoginToken($loginToken = null)
    {
        // validation for constraint: string
        if (!is_null($loginToken) && !is_string($loginToken)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($loginToken, true), gettype($loginToken)), __LINE__);
        }
        $this->loginToken = $loginToken;
        return $this;
    }
    /**
     * Get name value
     * @return string|null
     */
    public function getName()
    {
        return $this->name;
    }
    /**
     * Set name value
     * @param string $name
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setName($name = null)
    {
        // validation for constraint: string
        if (!is_null($name) && !is_string($name)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($name, true), gettype($name)), __LINE__);
        }
        $this->name = $name;
        return $this;
    }
    /**
     * Get organisation value
     * @return string|null
     */
    public function getOrganisation()
    {
        return $this->organisation;
    }
    /**
     * Set organisation value
     * @param string $organisation
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setOrganisation($organisation = null)
    {
        // validation for constraint: string
        if (!is_null($organisation) && !is_string($organisation)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($organisation, true), gettype($organisation)), __LINE__);
        }
        $this->organisation = $organisation;
        return $this;
    }
    /**
     * Get street1 value
     * @return string|null
     */
    public function getStreet1()
    {
        return $this->street1;
    }
    /**
     * Set street1 value
     * @param string $street1
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setStreet1($street1 = null)
    {
        // validation for constraint: string
        if (!is_null($street1) && !is_string($street1)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($street1, true), gettype($street1)), __LINE__);
        }
        $this->street1 = $street1;
        return $this;
    }
    /**
     * Get street2 value
     * @return string|null
     */
    public function getStreet2()
    {
        return $this->street2;
    }
    /**
     * Set street2 value
     * @param string $street2
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setStreet2($street2 = null)
    {
        // validation for constraint: string
        if (!is_null($street2) && !is_string($street2)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($street2, true), gettype($street2)), __LINE__);
        }
        $this->street2 = $street2;
        return $this;
    }
    /**
     * Get street3 value
     * @return string|null
     */
    public function getStreet3()
    {
        return $this->street3;
    }
    /**
     * Set street3 value
     * @param string $street3
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setStreet3($street3 = null)
    {
        // validation for constraint: string
        if (!is_null($street3) && !is_string($street3)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($street3, true), gettype($street3)), __LINE__);
        }
        $this->street3 = $street3;
        return $this;
    }
    /**
     * Get posttown value
     * @return string|null
     */
    public function getPosttown()
    {
        return $this->posttown;
    }
    /**
     * Set posttown value
     * @param string $posttown
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setPosttown($posttown = null)
    {
        // validation for constraint: string
        if (!is_null($posttown) && !is_string($posttown)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($posttown, true), gettype($posttown)), __LINE__);
        }
        $this->posttown = $posttown;
        return $this;
    }
    /**
     * Get postcode value
     * @return string|null
     */
    public function getPostcode()
    {
        return $this->postcode;
    }
    /**
     * Set postcode value
     * @param string $postcode
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setPostcode($postcode = null)
    {
        // validation for constraint: string
        if (!is_null($postcode) && !is_string($postcode)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($postcode, true), gettype($postcode)), __LINE__);
        }
        $this->postcode = $postcode;
        return $this;
    }
    /**
     * Get acceptAddressCorrectionsStr value
     * @return string|null
     */
    public function getAcceptAddressCorrectionsStr()
    {
        return $this->acceptAddressCorrectionsStr;
    }
    /**
     * Set acceptAddressCorrectionsStr value
     * @param string $acceptAddressCorrectionsStr
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setAcceptAddressCorrectionsStr($acceptAddressCorrectionsStr = null)
    {
        // validation for constraint: string
        if (!is_null($acceptAddressCorrectionsStr) && !is_string($acceptAddressCorrectionsStr)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($acceptAddressCorrectionsStr, true), gettype($acceptAddressCorrectionsStr)), __LINE__);
        }
        $this->acceptAddressCorrectionsStr = $acceptAddressCorrectionsStr;
        return $this;
    }
    /**
     * Get firstClassStr value
     * @return string|null
     */
    public function getFirstClassStr()
    {
        return $this->firstClassStr;
    }
    /**
     * Set firstClassStr value
     * @param string $firstClassStr
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setFirstClassStr($firstClassStr = null)
    {
        // validation for constraint: string
        if (!is_null($firstClassStr) && !is_string($firstClassStr)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($firstClassStr, true), gettype($firstClassStr)), __LINE__);
        }
        $this->firstClassStr = $firstClassStr;
        return $this;
    }
    /**
     * Get insertsStr value
     * @return string|null
     */
    public function getInsertsStr()
    {
        return $this->insertsStr;
    }
    /**
     * Set insertsStr value
     * @param string $insertsStr
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setInsertsStr($insertsStr = null)
    {
        // validation for constraint: string
        if (!is_null($insertsStr) && !is_string($insertsStr)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($insertsStr, true), gettype($insertsStr)), __LINE__);
        }
        $this->insertsStr = $insertsStr;
        return $this;
    }
    /**
     * Get costCentreStr value
     * @return string|null
     */
    public function getCostCentreStr()
    {
        return $this->costCentreStr;
    }
    /**
     * Set costCentreStr value
     * @param string $costCentreStr
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setCostCentreStr($costCentreStr = null)
    {
        // validation for constraint: string
        if (!is_null($costCentreStr) && !is_string($costCentreStr)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($costCentreStr, true), gettype($costCentreStr)), __LINE__);
        }
        $this->costCentreStr = $costCentreStr;
        return $this;
    }
    /**
     * Get mergeFields value
     * @return \\NineDotMedia\viapost-php\ArrayOfArrayOfString|null
     */
    public function getMergeFields()
    {
        return $this->mergeFields;
    }
    /**
     * Set mergeFields value
     * @param \\NineDotMedia\viapost-php\ArrayOfArrayOfString $mergeFields
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setMergeFields(\\NineDotMedia\viapost-php\ArrayOfArrayOfString $mergeFields = null)
    {
        $this->mergeFields = $mergeFields;
        return $this;
    }
    /**
     * Get affiliateGUID value
     * @return string|null
     */
    public function getAffiliateGUID()
    {
        return $this->affiliateGUID;
    }
    /**
     * Set affiliateGUID value
     * @param string $affiliateGUID
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setAffiliateGUID($affiliateGUID = null)
    {
        // validation for constraint: string
        if (!is_null($affiliateGUID) && !is_string($affiliateGUID)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($affiliateGUID, true), gettype($affiliateGUID)), __LINE__);
        }
        $this->affiliateGUID = $affiliateGUID;
        return $this;
    }
    /**
     * Get mailingNameOverride value
     * @return string|null
     */
    public function getMailingNameOverride()
    {
        return $this->mailingNameOverride;
    }
    /**
     * Set mailingNameOverride value
     * @param string $mailingNameOverride
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setMailingNameOverride($mailingNameOverride = null)
    {
        // validation for constraint: string
        if (!is_null($mailingNameOverride) && !is_string($mailingNameOverride)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($mailingNameOverride, true), gettype($mailingNameOverride)), __LINE__);
        }
        $this->mailingNameOverride = $mailingNameOverride;
        return $this;
    }
    /**
     * Get returnMessage value
     * @return string|null
     */
    public function getReturnMessage()
    {
        return $this->returnMessage;
    }
    /**
     * Set returnMessage value
     * @param string $returnMessage
     * @return \\NineDotMedia\viapost-php\SendSimpleMailingToSingleAddress
     */
    public function setReturnMessage($returnMessage = null)
    {
        // validation for constraint: string
        if (!is_null($returnMessage) && !is_string($returnMessage)) {
            throw new \InvalidArgumentException(sprintf('Invalid value %s, please provide a string, %s given', var_export($returnMessage, true), gettype($returnMessage)), __LINE__);
        }
        $this->returnMessage = $returnMessage;
        return $this;
    }
}