code: function requireTypeFromBuffer(buffer) {
      var typeId = buffer.slice(0, 4).toString('hex');
      var type = typeById[typeId];
      if (!type) {
          var msg = 'Unable to retrieve a Type by Id [' + typeId + ']';
          registryLogger.error(msg);
          throw new Error(msg);
      }
      if (registryLogger.isDebugEnabled()) {
          registryLogger.debug('Require Type \'%s\' by id [%s]', type.typeName, typeId);
      }
      return type;
  }
docs: Retrieve a Type constructor reading the id from buffer