code: func (ap *ApplicationProvider) PrivateChannelData() bool {
  	return ap.v11PvtDataExperimental || ap.v12 || ap.v13
  }
docs: // PrivateChannelData returns true if support for private channel data (a.k.a. collections) is enabled.
  // In v1.1, the private channel data is experimental and has to be enabled explicitly.
  // In v1.2, the private channel data is enabled by default.