The flush delay is the amount of time in milliseconds that a store
will delay persisting a messaging unit of work in hopes that it will
be invalidated shortly thereafter by another unit of work which
would negate the operation.
If the user has multiple principals which match
then they will all be listed in the value of the header
entry separated by the configured separator value.
seq -
Variable in class org.apache.activemq.apollo.dto.EntryStatusDTO