lib/Configuration.php
public function getApiKey($apiKeyIdentifier)
    {
        return isset($this->apiKeys[$apiKeyIdentifier]) ? $this->apiKeys[$apiKeyIdentifier] : null;
    }
public function getApiKey($apiKeyIdentifier)
    {
        return isset($this->apiKeys[$apiKeyIdentifier]) ? $this->apiKeys[$apiKeyIdentifier] : null;
    }
public function getApiKey ( $ apiKeyIdentifier ) { return isset ( $ this -> apiKeys [ $ apiKeyIdentifier ] ) ? $ this -> apiKeys [ $ apiKeyIdentifier ] : null ; }
Gets API key

@param string $apiKeyIdentifier API key identifier (authentication scheme)

@return string API key or token
Gets API key