feat: configuration adapters (#3177) #6506

Job	Run time
sample_operators_tests (sample-operators/webpage)	3m 21s
sample_operators_tests (sample-operators/tomcat-operator)	3m 20s
sample_operators_tests (sample-operators/leader-election)	3m 27s
sample_operators_tests (sample-operators/mysql-schema)	2m 43s
	12m 51s

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