<?php
namespace Aws\Credentials;
/**
* Provides access to the AWS credentials used for accessing AWS services: AWS
* access key ID, secret access key, and security token. These credentials are
* used to securely sign requests to AWS services.
*/
interface CredentialsInterface
{
/**
* Returns the AWS access key ID for this credentials object.
*
* @return string
*/
public function getAccessKeyId();
/**
* Returns the AWS secret access key for this credentials object.
*
* @return string
*/
public function getSecretKey();
/**
* Get the associated security token if available
*
* @return string|null
*/
public function getSecurityToken();
/**
* Get the UNIX timestamp in which the credentials will expire
*
* @return int|null
*/
public function getExpiration();
/**
* Check if the credentials are expired
*
* @return bool
*/
public function isExpired();
/**
* Converts the credentials to an associative array.
*
* @return array
*/
public function toArray();
}