IsCompound bool
	Bytes      []byte
	FullBytes  []byte // includes the tag and length
}

// RawContent is used to signal that the undecoded, DER data needs to be
// preserved for a struct. To use it, the first field of the struct must have
// this type. It's an error for any of the other fields to have this type.
type RawContent []byte

// Tagging

// parseTagAndLength parses an ASN.1 tag and length pair from the given offset

// TBSCertificateList represents the ASN.1 structure of the same name. See RFC
// 5280, section 5.1.
//
// Deprecated: x509.RevocationList should be used instead.
type TBSCertificateList struct {
	Raw                 asn1.RawContent
	Version             int `asn1:"optional,default:0"`
	Signature           AlgorithmIdentifier
	Issuer              RDNSequence
	ThisUpdate          time.Time
	NextUpdate          time.Time            `asn1:"optional"`

// signature requests (see RFC 2986):

type tbsCertificateRequest struct {
	Raw           asn1.RawContent
	Version       int
	Subject       asn1.RawValue
	PublicKey     publicKeyInfo
	RawAttributes []asn1.RawValue `asn1:"tag:0"`
}

type certificateRequest struct {
	Raw                asn1.RawContent
	TBSCSR             tbsCertificateRequest
	SignatureAlgorithm pkix.AlgorithmIdentifier

				Message:              "This is a test TCP message",
				ProxyProtocolVersion: 1,
				Check: check.Each(
					func(r echoClient.Response) error {
						body := r.RawContent
						ok := strings.Contains(body, "PROXY TCP4")
						if ok {
							return fmt.Errorf("sent proxy protocol header, and it was echoed back")
						}
						return nil
					}),
			},
		})
	}

		{"Enumerated", Type, 0},
		{"Flag", Type, 0},
		{"Marshal", Func, 0},
		{"MarshalWithParams", Func, 10},
		{"NullBytes", Var, 9},
		{"NullRawValue", Var, 9},
		{"ObjectIdentifier", Type, 0},
		{"RawContent", Type, 0},
		{"RawValue", Type, 0},
		{"RawValue.Bytes", Field, 0},
		{"RawValue.Class", Field, 0},
		{"RawValue.FullBytes", Field, 0},
		{"RawValue.IsCompound", Field, 0},
		{"RawValue.Tag", Field, 0},