Returns messages in a chat. The messages are returned in a reverse chronological order (i.e., in order of decreasing message_id).. For optimal performance, the number of returned messages is chosen by TDLib. This is an offline request if only_local is true
limit The maximum number of messages to be returned; must be positive and can't be greater than 100. If the offset is negative, the limit must be greater than or equal to -offset. For optimal performance, the number of returned messages is chosen by TDLib and can be smaller than the specified limit