if err != nil {
		return
	}

	// skip if no fields are to be emitted
	if zb0001Len != 0 {
		// write "BaseOptions"
		err = en.Append(0xab, 0x42, 0x61, 0x73, 0x65, 0x4f, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x73)
		if err != nil {
			return
		}
		// map header, size 0
		_ = z.BaseOptions
		err = en.Append(0x80)
		if err != nil {
			return
		}
		// write "r"
		err = en.Append(0xa1, 0x72)