do it !
a list of elements - these will be wrapped in DomAst and added to the tree, so a value should be EVal etc When starting an async action yourself, just return an EEngSuspend and schedule a later DERep to complete this actibity
is this applicable...
is this async? note that this flag is just for info, not needed, but do read this comment on async execs
is this a mock? is it supposed to run in mock mode or not?
the list of message specs for this executor - overwrite and return them for content assist
- the name of this executor