A boolean specifying that we should attempt to get the
output from cache, and failing that, execute it and write the output
to cache.
defer
A boolean specifying that
If a recently expired cached version of the component exists
give me that for now, and
Evaluate the component after the response has been sent and
write it to cache.
Obviously, deferral only applies if the cache argument is
true.
compType
Either DT_REGULAR meaning a
regular textual
component, DT_INCLUDE meaning a textual component that runs in the
namespace of the calling component, or DT_DATA for a data
component. The DT_
contants are in the AE.Component module.
srcModTime
Modification time of the component source, if known.
