Use ConcurrentHashMap.newKeySet() 16/104716/1
authorRobert Varga <robert.varga@pantheon.tech>
Thu, 2 Mar 2023 11:43:34 +0000 (12:43 +0100)
committerRobert Varga <robert.varga@pantheon.tech>
Thu, 2 Mar 2023 11:46:27 +0000 (12:46 +0100)
Java 8 renders the Guava utility superfluous, as we can get a concurrent
Set from ConcurrentHashMap.

JIRA: CONTROLLER-2071
Change-Id: Icde0fb358a736b50eb0c334794de09afcaf1c094
Signed-off-by: Robert Varga <robert.varga@pantheon.tech>

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