ChannelMetaCounterUpdateRequest constructor
      
      ChannelMetaCounterUpdateRequest({ 
    
    
- required ChannelType channelType,
- required String channelUrl,
- required Map<String, int> metaCounter,
- required MetaCounterMode mode,
- bool upsert = true,
Implementation
ChannelMetaCounterUpdateRequest({
  required ChannelType channelType,
  required String channelUrl,
  required Map<String, int> metaCounter,
  required MetaCounterMode mode,
  bool upsert = true,
}) : super() {
  url = '${channelType.urlString}/$channelUrl/metacounter';
  body = {
    'metacounter': metaCounter,
    'upsert': upsert,
    'mode': mode.asString()
  };
}