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Background set for the chat; may be null if none.
The new chat background; may be null if background was reset to default.
New background; may be null if none.
Previous background; may be null if none.
Chat(long id,
TdApi.ChatType type,
String title,
TdApi.ChatPhotoInfo photo,
int accentColorId,
long backgroundCustomEmojiId,
int profileAccentColorId,
long profileBackgroundCustomEmojiId,
TdApi.ChatPermissions permissions,
TdApi.Message lastMessage,
TdApi.ChatPosition[] positions,
TdApi.ChatList[] chatLists,
TdApi.MessageSender messageSenderId,
TdApi.BlockList blockList,
boolean hasProtectedContent,
boolean isTranslatable,
boolean isMarkedAsUnread,
boolean viewAsTopics,
boolean hasScheduledMessages,
boolean canBeDeletedOnlyForSelf,
boolean canBeDeletedForAllUsers,
boolean canBeReported,
boolean defaultDisableNotification,
int unreadCount,
long lastReadInboxMessageId,
long lastReadOutboxMessageId,
int unreadMentionCount,
int unreadReactionCount,
TdApi.ChatNotificationSettings notificationSettings,
TdApi.ChatAvailableReactions availableReactions,
int messageAutoDeleteTime,
TdApi.EmojiStatus emojiStatus,
TdApi.ChatBackground background,
String themeName,
TdApi.ChatActionBar actionBar,
TdApi.BusinessBotManageBar businessBotManageBar,
TdApi.VideoChat videoChat,
TdApi.ChatJoinRequestsInfo pendingJoinRequests,
long replyMarkupMessageId,
TdApi.DraftMessage draftMessage,
String clientData)
The chat background was changed.
A new background was set in the chat.
The chat background was changed.