[FSSDK-11170] update: decision service methods for cmab (#583) #595

Job	Run time
lint_markdown_files	1m 11s
integration_tests / test	5s
test (8, JACKSON_CONFIG_PARSER)	5m 22s
test (9, JACKSON_CONFIG_PARSER)	17s
test (9, GSON_CONFIG_PARSER)	25s
test (8, JSON_CONFIG_PARSER)	6m 58s
test (9, JSON_CONFIG_PARSER)	20s
test (8, GSON_CONFIG_PARSER)	5m 20s
test (8, JSON_SIMPLE_CONFIG_PARSER)	8m 19s
fullstack_production_suite / test	4s
test (9, JSON_SIMPLE_CONFIG_PARSER)	14s
snapshot	0s
publish	0s
	28m 35s

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