describes whether its
parameters are input or output parameters.
<p>
For DatabaseEntry input parameters, the caller is responsible for
initializing the data array of the DatabaseEntry.  For DatabaseEntry
output parameters, the method called will initialize the data array.
<p>
For DatabaseEntry output parameters, by default the method called will
reuse the byte array in the DatabaseEntry, if the data returned fits in
the byte array.  This behavior can be configured with <A HREF="../../../com/sleepycat/db/Dat