hide some voice stuff in docs

src/client/voice/VoiceConnection.js

@@ -41,6 +41,7 @@ class VoiceConnection extends EventEmitter {
     /**
      * The authentication data needed to connect to the voice server
      * @type {object}
+     * @private
      */
     this.authentication = pendingConnection.data;
 
@@ -72,12 +73,14 @@ class VoiceConnection extends EventEmitter {
     /**
      * Map SSRC to speaking values
      * @type {Map<number, boolean>}
+     * @private
      */
     this.ssrcMap = new Map();
 
     /**
      * Object that wraps contains the `ws` and `udp` sockets of this voice connection
      * @type {object}
+     * @private
      */
     this.sockets = {};
     this.connect();