def to_json
      config = {}
      config['url'] = @url
      config['username'] = @username
      config['password'] = @password
      config['verify_ssl'] = @verify_ssl
      puts JSON.pretty_generate(config)
    end
def to_json
      config = {}
      config['url'] = @url
      config['username'] = @username
      config['password'] = @password
      config['verify_ssl'] = @verify_ssl
      puts JSON.pretty_generate(config)
    end
Return a JSON document for this object