Message Search Query Params
constructor(keyword: String, reverse: Boolean = false, exactMatch: Boolean = false, limit: Int = QUERY_DEFAULT_LIMIT, messageTimestampFrom: Long = 0, messageTimestampTo: Long = Long.MAX_VALUE, channelUrl: String? = "", channelCustomType: String? = null, order: MessageSearchQuery.Order = MessageSearchQuery.Order.SCORE, advancedQuery: Boolean = false, targetFields: List<String>? = null)