Deprecate SubscriberHelper and SubscriberUtil and update docs to use a CONST instead

[DanielBadura]

closes #743

[github-actions]

Hello 👋

here is the most recent benchmark result:

SubscriptionEngineBench
=======================

+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                               | memory                                     |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>  | Tag: base       | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 3.205s (±0.00%) | 3.220s (±0.00%) | -0.48%    | 47.489mb        | 48.004mb   | -1.07%      |
+---------------------------+-----------------+-----------------+-----------+-----------------+------------+-------------+

SimpleSetupBench
================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.027ms (±0.00%)   | 1.019ms (±0.00%)   | +0.74%    | 34.976mb        | 34.976mb   | 0.00%       |
| benchLoad10000Events ()                | 61.377ms (±0.00%)  | 60.592ms (±0.00%)  | +1.30%    | 34.976mb        | 34.976mb   | 0.00%       |
| benchSave1Event ()                     | 1.246ms (±0.00%)   | 1.382ms (±0.00%)   | -9.88%    | 34.976mb        | 34.976mb   | 0.00%       |
| benchSave10000Events ()                | 219.318ms (±0.00%) | 222.423ms (±0.00%) | -1.40%    | 34.976mb        | 34.976mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.386s (±0.00%)    | 8.556s (±0.00%)    | -1.99%    | 34.976mb        | 34.976mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 4.907s (±0.00%)    | 4.921s (±0.00%)    | -0.29%    | 34.976mb        | 34.976mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

CommandToQueryBench
===================

+----------------+------------------+------------------+-----------+-----------------+------------+-------------+
|                | time (kde mode)                                 | memory                                     |
+----------------+------------------+------------------+-----------+-----------------+------------+-------------+
| subject        | Tag: <current>   | Tag: base        | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------+------------------+------------------+-----------+-----------------+------------+-------------+
| benchCreate () | 2.467ms (±0.00%) | 2.564ms (±0.00%) | -3.78%    | 4.945mb         | 4.945mb    | 0.00%       |
| benchUpdate () | 3.868ms (±0.00%) | 3.731ms (±0.00%) | +3.66%    | 4.945mb         | 4.945mb    | 0.00%       |
| benchBoth ()   | 6.851ms (±0.00%) | 7.239ms (±0.00%) | -5.37%    | 5.065mb         | 5.594mb    | -9.45%      |
+----------------+------------------+------------------+-----------+-----------------+------------+-------------+

SnapshotsBench
==============

+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                   | memory                                     |
+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchLoad10000EventsMissingSnapshot () | 60.427ms (±0.00%) | 60.497ms (±0.00%) | -0.12%    | 34.981mb        | 34.981mb   | 0.00%       |
| benchLoad10000Events ()                | 1.252ms (±0.00%)  | 1.244ms (±0.00%)  | +0.62%    | 34.981mb        | 34.981mb   | 0.00%       |
+----------------------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

SplitStreamBench
================

+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                         | time (kde mode)                                     | memory                                     |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                 | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad10000Events () | 5.511ms (±0.00%)   | 5.439ms (±0.00%)   | +1.34%    | 35.581mb        | 35.581mb   | 0.00%       |
| benchSave10000Events () | 342.616ms (±0.00%) | 342.677ms (±0.00%) | -0.02%    | 35.583mb        | 35.583mb   | 0.00%       |
+-------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SimpleSetupStreamStoreBench
===========================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.153ms (±0.00%)   | 1.149ms (±0.00%)   | +0.29%    | 35.138mb        | 35.138mb   | 0.00%       |
| benchLoad10000Events ()                | 64.963ms (±0.00%)  | 64.961ms (±0.00%)  | +0.00%    | 35.138mb        | 35.138mb   | 0.00%       |
| benchSave1Event ()                     | 1.220ms (±0.00%)   | 1.613ms (±0.00%)   | -24.38%   | 35.138mb        | 35.138mb   | 0.00%       |
| benchSave10000Events ()                | 289.735ms (±0.00%) | 284.985ms (±0.00%) | +1.67%    | 35.138mb        | 35.138mb   | 0.00%       |
| benchSave10000Aggregates ()            | 8.513s (±0.00%)    | 8.652s (±0.00%)    | -1.61%    | 35.138mb        | 35.138mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 5.082s (±0.00%)    | 5.089s (±0.00%)    | -0.13%    | 35.138mb        | 35.138mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

PersonalDataBench
=================

+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
|                                        | time (kde mode)                                     | memory                                     |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| subject                                | Tag: <current>     | Tag: base          | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+
| benchLoad1Event ()                     | 1.075ms (±0.00%)   | 1.085ms (±0.00%)   | -0.92%    | 35.582mb        | 35.582mb   | 0.00%       |
| benchLoad10000Events ()                | 91.918ms (±0.00%)  | 94.105ms (±0.00%)  | -2.32%    | 35.582mb        | 35.582mb   | 0.00%       |
| benchSave1Event ()                     | 1.974ms (±0.00%)   | 2.108ms (±0.00%)   | -6.39%    | 35.582mb        | 35.582mb   | 0.00%       |
| benchSave10000Events ()                | 254.917ms (±0.00%) | 251.184ms (±0.00%) | +1.49%    | 35.654mb        | 35.654mb   | 0.00%       |
| benchSave10000Aggregates ()            | 12.655s (±0.00%)   | 12.664s (±0.00%)   | -0.07%    | 35.582mb        | 35.582mb   | 0.00%       |
| benchSave10000AggregatesTransaction () | 9.134s (±0.00%)    | 9.128s (±0.00%)    | +0.06%    | 36.041mb        | 36.041mb   | 0.00%       |
+----------------------------------------+--------------------+--------------------+-----------+-----------------+------------+-------------+

SubscriptionEngineBatchBench
============================

+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
|                           | time (kde mode)                                   | memory                                     |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| subject                   | Tag: <current>    | Tag: base         | time-diff | Tag: <current>  | Tag: base  | memory-diff |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+
| benchHandle10000Events () | 81.187ms (±0.00%) | 79.150ms (±0.00%) | +2.57%    | 35.476mb        | 35.476mb   | 0.00%       |
+---------------------------+-------------------+-------------------+-----------+-----------------+------------+-------------+

This comment gets update everytime a new commit comes in!