function Topic(name, options, emitter) {
    this.name = name;
    this.subscribers = [];
    this.queue = [];
    this.publishedEvents = {};
    this.options = options || {};
    this.emitter = emitter;
}
function Topic(name, options, emitter) {
    this.name = name;
    this.subscribers = [];
    this.queue = [];
    this.publishedEvents = {};
    this.options = options || {};
    this.emitter = emitter;
}
function Topic ( name , options , emitter ) { this . name = name ; this . subscribers = [ ] ; this . queue = [ ] ; this . publishedEvents = { } ; this . options = options || { } ; this . emitter = emitter ; }
Subscription topic
Subscription topic