docs: Note of hidden properties (#9754) #13732

Job	Run time
Setup PHP Version for Code Coverage	5s
Others (8.1) / Sanity Tests	2m 55s
Others (8.2) / Sanity Tests	5m 38s
Others (8.4) / Sanity Tests	2m 58s
Others (8.3) / Sanity Tests	2m 26s
SeparateProcess (8.1) / tests	3m 19s
SeparateProcess (8.4) / tests	4m 8s
SeparateProcess (8.2) / tests	3m 34s
SeparateProcess (8.3) / tests	4m 19s
DatabaseLive (8.3, Postgre, 8.0) / tests	2m 22s
DatabaseLive (8.1, MySQLi, 8.0) / tests	5m 18s
DatabaseLive (8.2, Postgre, 8.0) / tests	3m 44s
DatabaseLive (8.2, MySQLi, 8.0) / tests	6m 9s
DatabaseLive (8.1, SQLite3, 8.0) / tests	2m 51s
DatabaseLive (8.1, SQLSRV, 8.0) / tests	5m 19s
DatabaseLive (8.4, OCI8, 8.0) / tests	6m 26s
DatabaseLive (8.2, OCI8, 8.0) / tests	7m 36s
DatabaseLive (8.3, SQLSRV, 8.0) / tests	5m 31s
DatabaseLive (8.4, Postgre, 8.0) / tests	2m 34s
DatabaseLive (8.4, MySQLi, 8.0) / tests	4m 10s
DatabaseLive (8.4, SQLSRV, 8.0) / tests	4m 58s
DatabaseLive (8.4, SQLite3, 8.0) / tests	2m 50s
DatabaseLive (8.1, MySQLi, 5.7) / tests	3m 24s
DatabaseLive (8.3, SQLite3, 8.0) / tests	2m 34s
DatabaseLive (8.2, SQLite3, 8.0) / tests	3m 9s
DatabaseLive (8.3, OCI8, 8.0) / tests	6m 42s
DatabaseLive (8.1, OCI8, 8.0) / tests	6m 20s
DatabaseLive (8.1, Postgre, 8.0) / tests	2m 28s
DatabaseLive (8.2, SQLSRV, 8.0) / tests	5m 24s
DatabaseLive (8.3, MySQLi, 8.0) / tests	4m 42s
CacheLive (8.1) / Cache Live Tests	2m 11s
CacheLive (8.3) / Cache Live Tests	2m 15s
CacheLive (8.2) / Cache Live Tests	2m 16s
CacheLive (8.4) / Cache Live Tests	2m 20s
Upload coverage results to Coveralls / coveralls	54s
	2h 13m 49s

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