I don't know if this is the appropriate place to send implementation
questions - if not please let me know.
In the case where the server receives a Create Job followed by multiple Send
Document requests - is the server guaranteed to receive a Send Document with
the "last-document" flag set? Should the server wait for this
"last-document" before starting to "process" the job? Should the server
wait for this "last-document" before "completing" the job?