@NotNull
    @ObjectiveCName("blockUser:")
    public Promise<Void> blockUser(int uid) {
        return modules.getUsersModule().blockUser(uid);
    }
@ NotNull @ ObjectiveCName ( "blockUser:" ) public Promise < Void > blockUser ( int uid ) { return modules . getUsersModule ( ) . blockUser ( uid ) ; }
Block users

@param uid user's id
@return promise