class SplitIoClient::Condition

def matcher_whitelist(params)
  result = nil
  matcher = params[:matcher]
  is_user_whitelist = ((matcher[:keySelector]).nil? || (matcher[:keySelector])[:attribute].nil?)
  if is_user_whitelist
    result = (matcher[:whitelistMatcherData])[:whitelist]
  else
    attribute = (matcher[:keySelector])[:attribute]
    white_list = (matcher[:whitelistMatcherData])[:whitelist]
    result =  { attribute: attribute, value: white_list }
  end
  WhitelistMatcher.new(result, @config.split_logger, @config.split_validator)
end