refactor: deprecate proxy class #618

Job	Run time
Build Documentation	20s
Sync meta files	0s
Static Analysis	41s
Code Coverage	1m 24s
P:8.1, S:6.3.*, D:mysql (dama)	34s
P:8.1, S:6.3.*, D:mongo	48s
P:8.1, S:6.4.*, D:mysql (dama)	39s
P:8.1, S:6.4.*, D:mongo	57s
P:8.2, S:6.3.*, D:mysql (dama)	52s
P:8.2, S:6.3.*, D:mongo	42s
P:8.2, S:6.4.*, D:mysql (dama)	34s
composer-validate / Validate composer.json	8s
P:8.2, S:6.4.*, D:mongo	1m 12s
P:8, S:5.4.*, D:mysql\|mongo (lowest) (dama)	1m 16s
P:8.2, S:*, D:none	19s
P:8.2, S:*, D:mysql\|mongo (dama)	1m 10s
P:8.2, S:*, D:pgsql\|mongo (dama)	1m 14s
P:8.2, S:*, D:mysql	2m 30s
P:8.2, S:*, D:pgsql	2m 10s
Run php-cs-fixer	0s
	17m 30s

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