Use final.
Project: http://git-wip-us.apache.org/repos/asf/logging-log4j2/repo
Commit: http://git-wip-us.apache.org/repos/asf/logging-log4j2/commit/de97a11d
Tree: http://git-wip-us.apache.org/repos/asf/logging-log4j2/tree/de97a11d
Diff: http://git-wip-us.apache.org/repos/asf/logging-log4j2/diff/de
http://git-wip-us.apache.org/repos/asf/logging-log4j2/blob/a8a7e7c9/log4j-core/src/main/java/org/apache/logging/log4j/core/util/ClockFactory.java
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diff --git
a/log4j-core/src/main/java/org/apache/logging/log4j/core/util/ClockFac