encodeInt64Opt(b, 10, p.DurationNanos)
	if pt := p.PeriodType; pt != nil && (pt.typeX != 0 || pt.unitX != 0) {
		encodeMessage(b, 11, p.PeriodType)
	}
	encodeInt64Opt(b, 12, p.Period)
	encodeInt64s(b, 13, p.commentX)
	encodeInt64(b, 14, p.defaultSampleTypeX)
}

var profileDecoder = []decoder{
	nil, // 0
	// repeated ValueType sample_type = 1
	func(b *buffer, m message) error {
		x := new(ValueType)