Messenger::getConfig();
array:49 [
  "apiEndpoint" => "/api/messenger"
  "channelRoutes" => true
  "pushNotifications" => false
  "messageSizeLimit" => 5000
  "knockKnock" => true
  "knockTimeout" => 5
  "onlineStatus" => true
  "onlineCacheLifetime" => 4
  "calling" => false
  "bots" => true
  "systemMessages" => true
  "verifyPrivateThreadFriendship" => true
  "verifyGroupThreadFriendship" => true
  "messageEdits" => true
  "messageReactions" => true
  "messageReactionsMax" => 10
  "messageEditsView" => true
  "threadInvites" => false
  "threadInvitesMax" => 5
  "avatarSizeLimit" => 5120
  "avatarMimeTypes" => "jpg,jpeg,png,bmp,gif,webp"
  "providerAvatars" => true
  "threadAvatars" => true
  "botAvatars" => true
  "messageDocumentUpload" => true
  "messageDocumentSizeLimit" => 5120
  "messageDocumentMimeTypes" => "csv,doc,docx,json,pdf,ppt,pptx,rar,rtf,txt,xls,xlsx,xml,zip,7z"
  "messageImageUpload" => true
  "messageImageSizeLimit" => 5120
  "messageImageMimeTypes" => "jpg,jpeg,png,bmp,gif,webp"
  "messageAudioUpload" => true
  "messageAudioSizeLimit" => 5120
  "messageAudioMimeTypes" => "aac,mp3,oga,ogg,wav,weba,webm"
  "messageVideoUpload" => false
  "messageVideoSizeLimit" => 15360
  "messageVideoMimeTypes" => "avi,mp4,ogv,webm,3gp,3g2,wmv,mov"
  "apiRateLimit" => 1000
  "searchRateLimit" => 45
  "messageRateLimit" => 30
  "attachmentRateLimit" => 2
  "searchPageCount" => 25
  "threadsIndexCount" => 100
  "threadsPageCount" => 25
  "participantsIndexCount" => 500
  "participantsPageCount" => 50
  "messagesIndexCount" => 50
  "messagesPageCount" => 50
  "callsIndexCount" => 25
  "callsPageCount" => 25
]