const golang.org/x/tools/txtar.readOnly

3 uses

	golang.org/x/tools/txtar (current package)
		fs.go#L36: 	readOnly    fs.FileMode = 0o444 // read only mode
		fs.go#L37: 	readOnlyDir             = readOnly | fs.ModeDir
		fs.go#L78: 		n := &node{idx: idx, fileinfo: fileinfo{path: name, size: len(file.Data), mode: readOnly}}