// Read file header.
	if err := binary.Read(r.fileRdr, binary.LittleEndian, &r.hdr); err != nil {
		return err
	}

	// Verify magic string
	m := r.hdr.Magic
	g := coverage.CovMetaMagic
	if m[0] != g[0] || m[1] != g[1] || m[2] != g[2] || m[3] != g[3] {
		return fmt.Errorf("invalid meta-data file magic string")
	}

	// Vet the version. If this is a meta-data file from the future,
	// we won't be able to read it.

	errNotObject        = errors.New("unrecognized object file format")
)

type ErrGoObjOtherVersion struct{ magic []byte }

func (e ErrGoObjOtherVersion) Error() string {
	return fmt.Sprintf("go object of a different version: %q", e.magic)
}

// An objReader is an object file reader.
type objReader struct {
	a      *Archive
	b      *bio.Reader
	err    error
	offset int64

    }
}


private
fun IntegrationTest.addDebugProperties() {
    // TODO Move magic property out
    if (project.hasProperty("org.gradle.integtest.debug")) {
        systemProperties["org.gradle.integtest.debug"] = "true"
        testLogging.showStandardStreams = true
    }
    // TODO Move magic property out
    if (project.hasProperty("org.gradle.integtest.verbose")) {

// remains valid for the lifetime of the process.
type Data struct {
	// TODO(pjw): might be better to define versions of Data
	// for the 3 specializations
	f    *os.File
	Data []byte
	// Some windows magic
	Windows interface{}
}

// Mmap maps the given file into memory.
// When remapping a file, pass the most recently returned Data.
func Mmap(f *os.File, data *Data) (Data, error) {
	return mmapFile(f, data)
}

	le := binary.LittleEndian.Uint32(ident[0:])
	switch Magic32 &^ 1 {
	case be &^ 1:
		f.ByteOrder = binary.BigEndian
		f.Magic = be
	case le &^ 1:
		f.ByteOrder = binary.LittleEndian
		f.Magic = le
	default:
		return nil, &FormatError{0, "invalid magic number", nil}
	}

	// Read entire file header.
	if err := binary.Read(sr, f.ByteOrder, &f.FileHeader); err != nil {
		return nil, err
	}

// (for example, the content of /etc/localtime on Unix systems).
func LoadLocationFromTZData(name string, data []byte) (*Location, error) {
	d := dataIO{data, false}

	// 4-byte magic "TZif"
	if magic := d.read(4); string(magic) != "TZif" {
		return nil, errBadData
	}

	// 1-byte version, then 15 bytes of padding
	var version int
	var p []byte
	if p = d.read(16); len(p) != 16 {
		return nil, errBadData

        return new FilteringClassLoader(parent, getExtraAllowedPackages());
    }

    /**
     * Many popular annotation processors like lombok need access to compiler internals
     * to do their magic, e.g. to inspect or even change method bodies. This is not valid
     * according to the annotation processing spec, but forbidding it would upset a lot of
     * our users.
     */

		return nil, err
	}
	if cdr.debug {
		fmt.Fprintf(os.Stderr, "=-= counter file header: %+v\n", cdr.hdr)
	}
	if !checkMagic(cdr.hdr.Magic) {
		return nil, fmt.Errorf("invalid magic string: not a counter data file")
	}
	if cdr.hdr.Version > coverage.CounterFileVersion {

                    return result;
                }
            }
            return DynamicInvokeResult.notFound();
        }

        @Nullable
        @SuppressWarnings("unused") // Groovy magic method
        public Object propertyMissing(String name) {
            return getProperty(name);
        }

        @Override
        public DynamicInvokeResult trySetProperty(String name, @Nullable Object value) {

// Copyright 2024 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin || dragonfly || freebsd

package runtime

// Magic number of identifier used for EVFILT_USER.
// This number had zero Google results when it's created.
// That way, people will be directed here when this number
// get printed somehow and they search for it.