code: public void setSubscribers(java.util.Collection<String> subscribers) {
          if (subscribers == null) {
              this.subscribers = null;
              return;
          }
  
          this.subscribers = new java.util.ArrayList<String>(subscribers);
      }
docs: The AWS account IDs that you want to share your content with. The receiving accounts (subscribers) will be
  allowed to create their own flow using your content as the source.
  
  @param subscribers
  The AWS account IDs that you want to share your content with. The receiving accounts (subscribers) will be
  allowed to create their own flow using your content as the source.