FcOpContains, FcOpListing, FcOpNotContains,
FcOpLess, FcOpLessEqual, FcOpMore, FcOpMoreEqual,
FcOpPlus, FcOpMinus, FcOpTimes, FcOpDivide,
FcOpContains, FcOpListing, FcOpNotContains,
FcOpLess, FcOpLessEqual, FcOpMore, FcOpMoreEqual,
FcOpPlus, FcOpMinus, FcOpTimes, FcOpDivide,