A map of context items for the request.
.utils .dictionarylist .__T14DictionaryListTS3std7variant18__T8VariantNVmi32Z8VariantNVbi1Vmi2Vbi0Z .DictionaryList context ;
This is especially useful for passing application specific data down the chain of processors along with the request itself.
For example, a generic route may be defined to check user login status, if the user is logged in, add a reference to user specific data to the context.
This is implemented with
std to allow any type of data.