RnHsSyn
charTyCon_name
parrTyCon_name
listTyCon_name
tupleTyCon_name
extractHsTyVars
extractHsTyNames
extractHsTyNames_s
extractFunDepNames
extractHsCtxtTyNames
extractHsTyVarBndrNames
extractHsTyVarBndrNames_s
hsSigsFVs
hsSigFVs
conDeclFVs
bangTyFVs