protected function _setConfig() {
		$config = [];
		$currentConfig = $this->_modelConfigSearchInfo->getConfig();
		if (!empty($this->_searchInfo) && is_array($this->_searchInfo)) {
			$config = $this->_searchInfo + $currentConfig;
		}

		if (!empty($this->AutocompleteLimit) && is_numeric($this->AutocompleteLimit)) {
			$config = Hash::merge($config, ['AutocompleteLimit' => $this->AutocompleteLimit] + $currentConfig);
		}

		if (!empty($config)) {
			Configure::write('CakeSearchInfo', $config);
		}
	}