text: import React from 'react';
  
  const { bool, number, shape, string } = React.PropTypes;
  
  const notificationShape = shape({
    // Notification ID
    id: number.isRequired,
    // URL to image
    imageUrl: string.isRequired,
    // Was the notification read
    read: bool,
    // Summary text
    summary: string.isRequired,
    // Time when the notification was created
    timestamp: number.isRequired,
  });
  
  const pushGroupShape = shape({
    // Group ID
    id: number,
    // Image URL for the groups's thumbnail
    imageUrl: string,
    // Group name
    name: string,
    // True if the group should be subscribed to on app launch, false otherwise
    subscribeByDefault: bool,
    // Group tag, used for subscribtions
    tag: string,
  });
  
  export { notificationShape, pushGroupShape };
  