}
	spec := r.specs[ev]
	args, err := readArgs(line, spec.Args)
	if err != nil {
		return Event{}, fmt.Errorf("reading args for %s: %v", evStr, err)
	}
	if spec.IsStack {
		len := int(args[1])
		for i := 0; i < len; i++ {
			line, err := r.nextLine()
			if err == io.EOF {
				return Event{}, fmt.Errorf("unexpected EOF while reading stack: args=%v", args)
			}
			if err != nil {
				return Event{}, err

	"fmt"
	"io"

	"internal/trace/event"
	"internal/trace/version"
)

// Reader parses trace bytes with only very basic validation
// into an event stream.
type Reader struct {
	r     *bufio.Reader
	v     version.Version
	specs []event.Spec
}

// NewReader creates a new reader for the trace wire format.
func NewReader(r io.Reader) (*Reader, error) {
	br := bufio.NewReader(r)
	v, err := version.ReadHeader(br)

	"runtime"
	"sync"
	"unicode/utf8"

	csv "github.com/minio/csvparser"
	"github.com/minio/minio/internal/s3select/sql"
)

// Reader - CSV record reader for S3Select.
type Reader struct {
	args         *ReaderArgs
	readCloser   io.ReadCloser    // raw input
	buf          *bufio.Reader    // input to the splitter
	columnNames  []string         // names of columns
	nameIndexMap map[string]int64 // name to column index

import (
	"errors"
	"io"
	"unicode/utf8"
)

// A Reader implements the [io.Reader], [io.ReaderAt], [io.ByteReader], [io.ByteScanner],
// [io.RuneReader], [io.RuneScanner], [io.Seeker], and [io.WriterTo] interfaces by reading
// from a string.
// The zero value for Reader operates like a Reader of an empty string.
type Reader struct {
	s        string
	i        int64 // current reading index
	prevRune int   // index of previous rune; or < 0
}

}

// Calling Close does not close the wrapped [io.Reader] originally passed to [NewReader].
// In order for the ZLIB checksum to be verified, the reader must be
// fully consumed until the [io.EOF].
func (z *reader) Close() error {
	if z.err != nil && z.err != io.EOF {
		return z.err
	}
	z.err = z.decompressor.Close()
	return z.err
}

func (z *reader) Reset(r io.Reader, dict []byte) error {

// A Reader implements convenience methods for reading requests
// or responses from a text protocol network connection.
type Reader struct {
	R   *bufio.Reader
	dot *dotReader
	buf []byte // a re-usable buffer for readContinuedLineSlice
}

// NewReader returns a new [Reader] reading from r.
//
// To avoid denial of service attacks, the provided [bufio.Reader]

		}
		r.readerWg.Done()
	}

	// We cannot reuse as we are sending parsed objects elsewhere.
	simdjson.ParseNDStream(readCloser, r.input, nil)
	r.readerWg.Add(1)
	go r.startReader()
	return &r
}

// NewElementReader - creates new JSON reader using readCloser.
func NewElementReader(ch chan simdjson.Object, err *error, args *json.ReaderArgs) *Reader {
	return &Reader{
		args:       args,

		panic(err)
	}

	testCases := []struct {
		reader     *strings.Reader
		region     string
		targetList *TargetList
		expectErr  bool
	}{
		{reader1, "eu-west-1", nil, true},
		{reader2, "us-east-1", targetList1, true},
		{reader4, "us-east-1", targetList1, true},
		{reader3, "", targetList2, false},
		{reader2, "us-east-1", targetList2, false},
	}

	for i, testCase := range testCases {

	// It is only the responsibility of every exported method of Reader to
	// ensure that this error is sticky.
	err error
}

type fileReader interface {
	io.Reader
	fileState

	WriteTo(io.Writer) (int64, error)
}

// NewReader creates a new [Reader] reading from r.
func NewReader(r io.Reader) *Reader {
	return &Reader{r: r, curr: &regFileReader{r, 0}}
}

// is a *[Reader].
func NewReader(r io.Reader, order Order, litWidth int) io.ReadCloser {
	return newReader(r, order, litWidth)
}

func newReader(src io.Reader, order Order, litWidth int) *Reader {
	r := new(Reader)
	r.init(src, order, litWidth)
	return r
}

func (r *Reader) init(src io.Reader, order Order, litWidth int) {
	switch order {
	case LSB: