interface TipPluginInterface

interface TipPluginInterface {
    
    /**
     * Returns id of the tip.
     *
     * @return string
     *   The id of the tip.
     */
    public function id();
    
    /**
     * Returns label of the tip.
     *
     * @return string
     *   The label of the tip.
     */
    public function getLabel();
    
    /**
     * Returns weight of the tip.
     *
     * @return string
     *   The weight of the tip.
     */
    public function getWeight();
    
    /**
     * Returns an array of attributes for the tip wrapper.
     *
     * @return array
     *   An array of classes and values.
     */
    public function getAttributes();
    
    /**
     * Used for returning values by key.
     *
     * @var string
     *   Key of the value.
     *
     * @return string
     *   Value of the key.
     */
    public function get($key);
    
    /**
     * Used for returning values by key.
     *
     * @var string
     *   Key of the value.
     *
     * @var string
     *   Value of the key.
     */
    public function set($key, $value);
    
    /**
     * Returns a renderable array.
     *
     * @return array
     *   A renderable array.
     */
    public function getOutput();

}