Const/Immutable values pass through isKnown values.
Const/Immutable values pass through isKnown values.

DmitryOlshansky/SDC,JohanEngelen/SDC,bpr/SDC,deadalnix/SDC,deadalnix/SDC,bpr/SDC,DmitryOlshansky/SDC,UplinkCoder/SDC,SDC-Developers/SDC,DmitryOlshansky/SDC,sidmutha/SDC,sidmutha/SDC,JohanEngelen/SDC,UplinkCoder/SDC,schancel/SDC,UplinkCoder/SDC,bpr/SDC,schancel/SDC,carlor/SDC,SDC-Developers/SDC,SDC-Developers/SDC,deadalnix/SDC,sidmutha/SDC,schancel/SDC,JohanEngelen/SDC