fix: remove final on private method #5730

Job	Run time
check_format_and_unit_tests	36s
build / Special integration tests (25)	2m 42s
build / Special integration tests (21)	3m 0s
build / Special integration tests (17)	2m 52s
build / httpclient-tests (jetty) / Integration tests (25, 1.32.0, jetty)	24m 32s
build / integration_tests (25, 1.32.4) / Integration tests (25, 1.32.4, vertx)	25m 8s
build / httpclient-tests (vertx) / Integration tests (25, 1.32.0, vertx)	25m 20s
build / integration_tests (25, 1.33.1) / Integration tests (25, 1.33.1, vertx)	26m 26s
build / httpclient-tests (jdk) / Integration tests (25, 1.32.0, jdk)	24m 41s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	25m 31s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	23m 29s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	23m 15s
build / integration_tests (17, 1.33.1) / Integration tests (17, 1.33.1, vertx)	26m 15s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	25m 45s
build / integration_tests (21, 1.33.1) / Integration tests (21, 1.33.1, vertx)	25m 39s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	25m 34s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	24m 14s
build / integration_tests (25, 1.30.12) / Integration tests (25, 1.30.12, vertx)	23m 39s
build / integration_tests (25, 1.31.8) / Integration tests (25, 1.31.8, vertx)	25m 7s
	6h 23m 45s

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