1: <?php
 2: namespace Sotr\Crypto;
 3: 
 4: use Sotr\Crypto\CurrencyPair;
 5: 
 6: interface CurrencyPairResolverInterface
 7: {
 8:     /**
 9:      * Returns the exchange-specific text
10:      * representation of the given currency
11:      * pair.
12:      *
13:      * @param   Sotr\Crypto\CurrencyPair    $pair
14:      * @return  string
15:      * @throws  RuntimeException
16:      */
17:     public function resolve(CurrencyPair $pair);
18: }
19: