RedisOperations interface's method hasKey has documentation that does not specify what it returns and if it is null during pipelining.

[VladislavStefanov]

RedisOperations interface's method hasKey has documentation that does not specify what it returns and if it is null during pipelining.

spring-data-redis/src/main/java/org/springframework/data/redis/core/RedisOperations.java

Line 181 in b975572

* @return