code: function DDP(url) {
    log.debug('[chimp][ddp] creating DDP wrapper');
    process.env.ROOT_URL = process.env.ROOT_URL || process.env['chimp.ddp0'];
  
    if (!url) {
      this.url = this._getUrl(process.env['chimp.ddp0']);
    } else {
      this.url = this._getUrl(url);
    }
  }
docs: DDP Constructor
  
  @api public