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    <?php
    /**
     * @type Voice
     * https://catapult.inetwork.com/docs/api-docs/calls/
     *
     * A class for the listed
     * voices in Catapult
     * list of available voices
     * defined here: https://catapult.inetwork.com/docs/api-docs/calls/
     *
     *
     * TODO: merge voice with gender to
     * prevent exception.
     */

    namespace Catapult;

    final class Voice extends Types {
        public static $available_voices = array(
            "Jorge" => "male",
            "Kate" => "female",
            "Susan" => "female",
            "Julie" => "female",
            "Dave" => "male",
            "Paul" => "male",
            "Bridget" => "male",
            "Violeta" => "female",
            "Jolie" => "female",
            "Bernard" => "male",
            "Katrin" => "female",
            "Stefan" => "male",
            "Paola" => "male",
            "Luca" => "male"
        );

        public $gender = "male";

        public function __construct($voice)
        {
            $this->voice = $voice;
            $this->gender = self::$available_voices[$voice];
        }

      public function perform($warn=TRUE)
      {
        $in = array_key_exists($this->voice, self::$available_voices);

        if (!$in && $warn)
                throw new \CatapultApiException("Voice unrecognized");
        if (!$in)
          return FALSE;

        return TRUE;
      }

        public function __toString()
        {
            return (string) $this->voice;
        }

    }