<?php
/**
* Copyright (c) Microsoft Corporation.  All Rights Reserved.  Licensed under the MIT License.  See License in the project root for license information.
* 
* UsageDetails File
* PHP version 7
*
* @category  Library
* @package   Microsoft.Graph
* @copyright (c) Microsoft Corporation. All rights reserved.
* @license   https://opensource.org/licenses/MIT MIT License
* @link      https://graph.microsoft.com
*/
namespace Microsoft\Graph\Model;
/**
* UsageDetails class
*
* @category  Model
* @package   Microsoft.Graph
* @copyright (c) Microsoft Corporation. All rights reserved.
* @license   https://opensource.org/licenses/MIT MIT License
* @link      https://graph.microsoft.com
*/
class UsageDetails extends Entity
{

    /**
    * Gets the lastAccessedDateTime
    * The date and time the resource was last accessed by the user. The timestamp represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Read-only.
    *
    * @return \DateTime|null The lastAccessedDateTime
    */
    public function getLastAccessedDateTime()
    {
        if (array_key_exists("lastAccessedDateTime", $this->_propDict)) {
            if (is_a($this->_propDict["lastAccessedDateTime"], "\DateTime") || is_null($this->_propDict["lastAccessedDateTime"])) {
                return $this->_propDict["lastAccessedDateTime"];
            } else {
                $this->_propDict["lastAccessedDateTime"] = new \DateTime($this->_propDict["lastAccessedDateTime"]);
                return $this->_propDict["lastAccessedDateTime"];
            }
        }
        return null;
    }

    /**
    * Sets the lastAccessedDateTime
    * The date and time the resource was last accessed by the user. The timestamp represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Read-only.
    *
    * @param \DateTime $val The value to assign to the lastAccessedDateTime
    *
    * @return UsageDetails The UsageDetails
    */
    public function setLastAccessedDateTime($val)
    {
        $this->_propDict["lastAccessedDateTime"] = $val;
         return $this;
    }

    /**
    * Gets the lastModifiedDateTime
    * The date and time the resource was last modified by the user. The timestamp represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Read-only.
    *
    * @return \DateTime|null The lastModifiedDateTime
    */
    public function getLastModifiedDateTime()
    {
        if (array_key_exists("lastModifiedDateTime", $this->_propDict)) {
            if (is_a($this->_propDict["lastModifiedDateTime"], "\DateTime") || is_null($this->_propDict["lastModifiedDateTime"])) {
                return $this->_propDict["lastModifiedDateTime"];
            } else {
                $this->_propDict["lastModifiedDateTime"] = new \DateTime($this->_propDict["lastModifiedDateTime"]);
                return $this->_propDict["lastModifiedDateTime"];
            }
        }
        return null;
    }

    /**
    * Sets the lastModifiedDateTime
    * The date and time the resource was last modified by the user. The timestamp represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Read-only.
    *
    * @param \DateTime $val The value to assign to the lastModifiedDateTime
    *
    * @return UsageDetails The UsageDetails
    */
    public function setLastModifiedDateTime($val)
    {
        $this->_propDict["lastModifiedDateTime"] = $val;
         return $this;
    }
}