const go/types.UntypedString

7 uses

	go/types (current package)
		basic.go#L42: 	UntypedString
		expr.go#L393: 		case UntypedString:
		operand.go#L281: 		kind = UntypedString
		predicates.go#L540: 		case UntypedString:
		universe.go#L69: 	UntypedString:  {UntypedString, IsString | IsUntyped, "untyped string"},

	golang.org/x/tools/internal/gcimporter
		predeclared.go#L65: 		types.Typ[types.UntypedString],