return nil, errors.New("corrupt zip file " + zipfile)
	}

	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]

				exts.AddUint8LengthPrefixed(func(exts *cryptobyte.Builder) {
					exts.AddBytes([]byte(m.alpnProtocol))
				})
			})
		})
	}
	if len(m.scts) > 0 {
		exts.AddUint16(extensionSCT)
		exts.AddUint16LengthPrefixed(func(exts *cryptobyte.Builder) {
			exts.AddUint16LengthPrefixed(func(exts *cryptobyte.Builder) {
				for _, sct := range m.scts {
					exts.AddUint16LengthPrefixed(func(exts *cryptobyte.Builder) {

			}
			if e[0] != '.' {
				e = "." + e
			}
			exts = append(exts, e)
		}
	} else {
		exts = []string{".com", ".exe", ".bat", ".cmd"}
	}
	return exts
}

// lookPath implements LookPath for the given PATHEXT list.
func lookPath(file string, exts []string) (string, error) {
	if strings.ContainsAny(file, `:\/`) {
		f, err := findExecutable(file, exts)
		if err == nil {
			return f, nil
		}

func NewAPFScheme() *runtime.Scheme {
	scheme := runtime.NewScheme()
	install.Install(scheme)
	return scheme
}

func internalizeFSes(exts []*flowcontrolv1.FlowSchema) map[string]*flowcontrol.FlowSchema {
	ans := make(map[string]*flowcontrol.FlowSchema, len(exts))
	scheme := NewAPFScheme()
	for _, ext := range exts {
		var untyped flowcontrol.FlowSchema
		if err := scheme.Convert(ext, &untyped, nil); err != nil {
			panic(err)
		}

	list []string
}

func initPathExts() {
	var exts []string
	x := os.Getenv(`PATHEXT`)
	if x != "" {
		for _, e := range strings.Split(strings.ToLower(x), `;`) {
			if e == "" {
				continue
			}
			if e[0] != '.' {
				e = "." + e
			}
			exts = append(exts, e)
		}
	} else {
		exts = []string{".com", ".exe", ".bat", ".cmd"}
	}
	pathExts.list = exts
}

	}

	return ids, nil
}

// ExtractSANExtension extracts the "Subject Alternative Name" externsion from
// the given PKIX extension set.
func ExtractSANExtension(exts []pkix.Extension) *pkix.Extension {
	for _, ext := range exts {
		if ext.Id.Equal(oidSubjectAlternativeName) {
			// We don't need to examine other extensions anymore since a certificate

	mimeTypesLower.Store(extLower, mimeType)

	extensionsMu.Lock()
	defer extensionsMu.Unlock()
	var exts []string
	if ei, ok := extensions.Load(justType); ok {
		exts = ei.([]string)
	}
	for _, v := range exts {
		if v == extLower {
			return nil
		}
	}
	extensions.Store(justType, append(exts, extLower))
	return nil

	testCases := map[string]struct {
		exts  []pkix.Extension
		found bool
	}{
		"No extension": {
			exts:  []pkix.Extension{},
			found: false,
		},
		"An extensions with wrong OID": {
			exts: []pkix.Extension{
				{Id: asn1.ObjectIdentifier{1, 2, 3}},
			},
			found: false,
		},
		"Correct SAN extension": {
			exts: []pkix.Extension{
				{Id: asn1.ObjectIdentifier{1, 2, 3}},

Te enseñaré algunos de los conceptos principales que debes tener en cuenta al desplegar aplicaciones hechas con **FastAPI** (aunque la mayoría de estos conceptos aplican para cualquier otro tipo de aplicación web).

     * @return 拡張子
     */
    public static String getExtension(final String path) {
        assertArgumentNotNull("path", path);

        final int extPos = path.lastIndexOf(".");
        if (extPos >= 0) {
            return path.substring(extPos + 1);
        }
        return null;
    }

    /**
     * パスから拡張子を取り除きます。
     *
     * @param path
     *            パス。{@literal null}であってはいけません