Function countTypes

test/fixtures/snapshot/typescript.js:69918–69920

(type)

            return filterType(type, function (t) { return t !== targetType; });
        }
        function countTypes(type) {
            return type.flags & 1048576 /* TypeFlags.Union */ ? type.types.length : 1;
        }
        function mapType(type, mapper, noReductions) {
            if (type.flags & 131072 /* TypeFlags.Never */) {
                return type;