text: requestPayload = {
      "context": {
          "client": {
              "clientName": "WEB",
              "clientVersion": "2.20210224.06.00",
              "newVisitorCookie": True,
          },
          "user": {
              "lockedSafetyMode": False,
          }
      }
  }
  userAgent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36'
  
  
  videoElementKey = 'videoRenderer'
  channelElementKey = 'channelRenderer'
  playlistElementKey = 'playlistRenderer'
  shelfElementKey = 'shelfRenderer'
  itemSectionKey = 'itemSectionRenderer'
  continuationItemKey = 'continuationItemRenderer'
  playerResponseKey = 'playerResponse'
  richItemKey = 'richItemRenderer'
  searchKey = 'AIzaSyAO_FJ2SlqU8Q4STEHLGCilw_Y9_11qcW8'
  contentPath = ['contents', 'twoColumnSearchResultsRenderer', 'primaryContents', 'sectionListRenderer', 'contents']
  fallbackContentPath = ['contents', 'twoColumnSearchResultsRenderer', 'primaryContents', 'richGridRenderer', 'contents']
  continuationContentPath = ['onResponseReceivedCommands', 0, 'appendContinuationItemsAction', 'continuationItems']
  continuationKeyPath = ['continuationItemRenderer', 'continuationEndpoint', 'continuationCommand', 'token']
  playlistInfoPath = ['response', 'sidebar', 'playlistSidebarRenderer', 'items']
  playlistVideosPath = ['response', 'contents', 'twoColumnBrowseResultsRenderer', 'tabs', 0, 'tabRenderer', 'content', 'sectionListRenderer', 'contents', 0, 'itemSectionRenderer', 'contents', 0, 'playlistVideoListRenderer', 'contents']
  playlistPrimaryInfoKey = 'playlistSidebarPrimaryInfoRenderer'
  playlistSecondaryInfoKey = 'playlistSidebarSecondaryInfoRenderer'
  playlistVideoKey = 'playlistVideoRenderer'
  
  
  class ResultMode:
      json = 0
      dict = 1
  
  
  class SearchMode:
      videos = 'EgIQAQ%3D%3D'
      channels = 'EgIQAg%3D%3D'
      playlists = 'EgIQAw%3D%3D'
  
  
  class VideoUploadDateFilter:
      lastHour = 'EgQIARAB'
      today = 'EgQIAhAB'
      thisWeek = 'EgQIAxAB'
      thisMonth = 'EgQIBBAB'
      thisYear = 'EgQIBRAB'
  
  
  class VideoDurationFilter:
      short = 'EgQQARgB'
      long = 'EgQQARgC'
  
  
  class VideoSortOrder:
      relevance = 'CAASAhAB'
      uploadDate = 'CAISAhAB'
      viewCount = 'CAMSAhAB'
      rating = 'CAESAhAB'
  