/**
  * Create singleton instance for this class.
  *
  * @param array|null $config        	
  * @return CredentialManager
  */
 public static function getInstance($config = null)
 {
     if (!self::$instance) {
         self::$instance = new self($config == null ? ConfigManager::getInstance()->getConfigHashmap() : $config);
     }
     return self::$instance;
 }
 /**
  * Helper method for validating if the class contains accessor methods (getter and setter) for a given attribute
  *
  * @param BitPagosModel $class
  *        	An object of BitPagosModel
  * @param string $attributeName
  *        	Attribute name
  * @return bool
  */
 public static function validate(BitPagosModel $class, $attributeName)
 {
     $mode = ConfigManager::getInstance()->get('validation.level');
     if (!empty($mode) && $mode != 'disabled') {
         //Check if $attributeName is string
         if (gettype($attributeName) !== 'string') {
             return false;
         }
         //If the mode is disabled, bypass the validation
         foreach (array('set' . $attributeName, 'get' . $attributeName) as $methodName) {
             if (get_class($class) == get_class(new BitPagosModel())) {
                 // Silently return false on cases where you are using BitPagosModel instance directly
                 return false;
             } elseif (!method_exists($class, $methodName)) {
                 //Delegate the error based on the choice
                 $className = is_object($class) ? get_class($class) : (string) $class;
                 $errorMessage = "Missing Accessor: {$className}:{$methodName}. You might be using older version of SDK. If not, create an issue at https://github.com/welcome2ba/bitpagos-api-sdk-php/issues";
                 LoggingManager::getInstance(__CLASS__)->debug($errorMessage);
                 if ($mode == 'strict') {
                     trigger_error($errorMessage, E_USER_NOTICE);
                 }
                 return false;
             }
         }
         return true;
     }
     return false;
 }
 /**
  * Gets a specific configuration from key
  *
  * @param
  *        	$searchKey
  * @return mixed
  */
 public function get($searchKey)
 {
     return ConfigManager::getInstance()->get($searchKey);
 }