code: function expose(subject, callback) {
    var name;
  
    if (!this.active) {
      return this;
    }
  
    if (typeof subject === 'string') {
      this.localComponents[subject] = true;
      this.exposed[subject] = callback;
    } else if (typeof subject === 'object') {
      for (name in subject) {
        if (subject.hasOwnProperty(name)) {
          this.localComponents[name] = true;
          this.exposed[name] = subject[name];
        }
      }
    }
  
    return this;
  }
docs: Server side 
  Expose a single or collection of methods to remote end
  
  @param {(Object|String)}      subject    Name of method or direct object
  @param {JRPC~serviceCallback} [callback] Callback to handle requests
  
  @return {JRPC} This instance, for chaining