Motivated by a discussion in LOG4J2-3073 <https://issues.apache.org/jira/browse/LOG4J2-3073?focusedCommentId=17374684&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17374684>, I have a question regarding DateTimeFormatter: What should be the format pattern to obtain nanosecond-precision fraction-of-second using DTF? *yyyy-MM-dd'T'HH:mm:ss.SSSSSSSSS'Z'* or *yyyy-MM-dd'T'HH:mm:ss.SSSNNNNNN'Z'* ?
