EncodedCert  *byte
	Length       uint32
	CertInfo     *CertInfo
	Store        Handle
}

type CertChainContext struct {
	Size                       uint32
	TrustStatus                CertTrustStatus
	ChainCount                 uint32
	Chains                     **CertSimpleChain
	LowerQualityChainCount     uint32
	LowerQualityChains         **CertChainContext
	HasRevocationFreshnessTime uint32

		}
	}
	// Update window information.
	d.windowEnd = n
	d.index = n
}

// Try to find a match starting at index whose length is greater than prevSize.
// We only look at chainCount possibilities before giving up.
func (d *compressor) findMatch(pos int, prevHead int, prevLength int, lookahead int) (length, offset int, ok bool) {
	minMatchLook := maxMatchLength
	if lookahead < minMatchLook {