Keyboard Button Request Chat
constructor(requestId: Int, chatIsChannel: Boolean, chatIsForum: Boolean? = null, chatHasUsername: Boolean? = null, chatIsCreated: Boolean? = null, userAdministratorRights: ChatAdministratorRights? = null, botAdministratorRights: ChatAdministratorRights? = null, botIsMember: Boolean? = null, requestTitle: Boolean? = null, requestUsername: Boolean? = null, requestPhoto: Boolean? = null)