/// <reference path="../../../globals.d.ts" />

declare module goog.pubsub {

    class TopicId<PAYLOAD> extends TopicId__Class<PAYLOAD> { }
    /** Fake class which should be extended to avoid inheriting static properties */
    class TopicId__Class<PAYLOAD>  { 
    
            /**
             * A templated class that is used to register {@code goog.pubsub.PubSub}
             * subscribers.
             *
             * Typical usage for a publisher:
             * <code>
             *   /** @type {!goog.pubsub.TopicId.<!zorg.State>}
             *   zorg.TopicId.STATE_CHANGE = new goog.pubsub.TopicId(
             *       goog.events.getUniqueId('state-change'));
             *
             *   // Compiler enforces that these types are correct.
             *   pubSub.publish(zorg.TopicId.STATE_CHANGE, zorg.State.STARTED);
             * </code>
             *
             * Typical usage for a subscriber:
             * <code>
             *   // Compiler enforces the callback parameter type.
             *   pubSub.subscribe(zorg.TopicId.STATE_CHANGE, function(state) {
             *     if (state == zorg.State.STARTED) {
             *       // Handle STARTED state.
             *     }
             *   });
             * </code>
             *
             * @param {string} topicId
             * @template PAYLOAD
             * @constructor
             * @final
             * @struct
             */
            constructor(topicId: string);
    } 
    
}