// Rewrite to /mod/path/@v/<latest>.info where <latest> is the semantically
	// latest version, including pseudo-versions.
	if i := strings.LastIndex(path, "/@latest"); i >= 0 {
		enc := path[:i]
		modPath, err := module.UnescapePath(enc)
		if err != nil {
			if testing.Verbose() {
				fmt.Fprintf(os.Stderr, "go proxy_test: %v\n", err)
			}
			http.NotFound(w, r)
			return
		}

	type Module struct {
		Path    string
		Version string
	}

	type GoMod struct {
		Module    ModPath
		Go        string
		Toolchain string
		Godebug   []Godebug
		Require   []Require
		Exclude   []Module
		Replace   []Replace
		Retract   []Retract
	}

	type ModPath struct {
		Path       string
		Deprecated string
	}

	type Godebug struct {
		Key   string

//				VisitFuncCounterData(F)
//			}
//			EndCounterDataFile(D)
//		}
//		EndCounters(MF)
//		for each package PK in MF {
//			BeginPackage(PK)
//			if <PK matched according to package pattern and/or modpath> {
//				for each function PF in PK {
//					VisitFunc(PF)
//				}
//			}
//			EndPackage(PK)
//		}
//		EndPod(p)
//	}
//	Finish()

type CovDataVisitor interface {

// The meta-data blob for the single package above might look like the
// following:
//
// -- MetaSymbolHeader header----------
//  | size: size of this blob in bytes
//  | packagepath: <path to p>
//  | modulepath: <modpath for p>
//  | nfiles: 1
//  | nfunctions: 2
//  --func offsets table------
//  <offset to func 0>
//  <offset to func 1>
//  --string table (contains all files and functions)------
//  | <uleb128 len> 4

		return nil, errNotFromModuleCache
	}
	return openIndexModule(modroot, true)
}

var mcache par.ErrCache[string, *Module]

// openIndexModule returns the module index for modPath.
// It will return ErrNotIndexed if the module can not be read
// using the index because it contains symlinks.
func openIndexModule(modroot string, ismodcache bool) (*Module, error) {

//		Path    string
//		Version string
//	}
//
//	type GoMod struct {
//		Module    ModPath
//		Go        string
//		Toolchain string
//		Godebug   []Godebug
//		Require   []Require
//		Exclude   []Module
//		Replace   []Replace
//		Retract   []Retract
//	}
//
//	type ModPath struct {
//		Path       string
//		Deprecated string
//	}
//
//	type Godebug struct {

Bryan C. Mills <******@****.***> 1677854890 +0000

		t.Errorf("Got unexpected path: %s, expected %s", globalPath, expectedGlobalPath)
	}
	expectedPodPath := filepath.Join(tmpDir, testPodPath)
	podPath, volName := mapper.GetPodDeviceMapPath()
	if podPath != expectedPodPath {
		t.Errorf("Got unexpected pod path: %s, expected %s", podPath, expectedPodPath)
	}
	if volName != testPVName {
		t.Errorf("Got unexpected volNamne: %s, expected %s", volName, testPVName)
	}

	cov-example/p/p.go:16.3,18.3 0 0
	cov-example/p/p.go:19.3,21.3 0 0
	...
	$ go tool cover -html=cov.txt
	$

5. Merge profiles together:

	$ go tool covdata merge -i=indir1,indir2 -o=outdir -modpaths=github.com/go-delve/delve
	$

6. Subtract one profile from another

	$ go tool covdata subtract -i=indir1,indir2 -o=outdir
	$

7. Intersect profiles

	for i := 0; i < n; i++ {
		// zip entry layout:
		//	0	magic[4]
		//	4	madevers[1]
		//	5	madeos[1]
		//	6	extvers[1]
		//	7	extos[1]
		//	8	flags[2]
		//	10	meth[2]
		//	12	modtime[2]
		//	14	moddate[2]
		//	16	crc[4]
		//	20	csize[4]
		//	24	uncsize[4]
		//	28	namelen[2]
		//	30	xlen[2]
		//	32	fclen[2]
		//	34	disknum[2]
		//	36	iattr[2]
		//	38	eattr[4]
		//	42	off[4]