type io.Seeker

9 uses

	io (current package)
		io.go#L126: type Seeker interface {
		io.go#L158: 	Seeker
		io.go#L165: 	Seeker
		io.go#L172: 	Seeker
		io.go#L179: 	Seeker

	embed
		embed.go#L341: 	_ io.Seeker   = (*openFile)(nil)

	mime/multipart
		formdata.go#L290: 	io.Seeker

	net/http
		fs.go#L111: 	io.Seeker
		fs.go#L902: 	s, ok := f.file.(io.Seeker)