Observable<ComapiResult<Void>> doAddParticipants(@NonNull final String token, @NonNull final String conversationId, @NonNull final List<Participant> participants) {
        return wrapObservable(service.addParticipants(AuthManager.addAuthPrefix(token), apiSpaceId, conversationId, participants).map(mapToComapiResult()), log, "Adding participants to " + conversationId);
    }
Observable < ComapiResult < Void > > doAddParticipants ( @ NonNull final String token , @ NonNull final String conversationId , @ NonNull final List < Participant > participants ) { return wrapObservable ( service . addParticipants ( AuthManager . addAuthPrefix ( token ) , apiSpaceId , conversationId , participants ) . map ( mapToComapiResult ( ) ) , log , "Adding participants to " + conversationId ) ; }
Returns observable to add a list of participants to a conversation.

@param token          Comapi access token.
@param conversationId ID of a conversation to update.
@param participants   New conversation participants details.
@return Observable to add participants to a conversation.