vax.annotation.Priority</code> class-level annotation value when used
 or applied by the runtime.
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 For example, filters and interceptors are grouped in chains for each of the message
 processing extension points: Pre, PreMatch, Post as well as ReadFrom and WriteTo.
 Each of these chains is sorted based on priorities which are represented as integer numbers.
 All chains, except Post, are sorted in ascending order; the lower the number the higher the priority.
 The Post filter chain is sorted in descendi