docs: mark CaPool.lifetime as IMMUTABLE docs: add format requirements on custom_sans#352

meltsufin merged 2 commits intomaingoogleapis/java-security-private-ca:mainfrom

owl-bot-7b5fe46e-acd7-4221-85d1-984ede7395c6googleapis/java-security-private-ca:owl-bot-7b5fe46e-acd7-4221-85d1-984ede7395c6Copy head branch name to clipboard