return nil
}

// refineNonZeroes refines non-zero entries of b in zig-zag order. If nz >= 0,
// the first nz zero entries are skipped over.
func (d *decoder) refineNonZeroes(b *block, zig, zigEnd, nz, delta int32) (int32, error) {
	for ; zig <= zigEnd; zig++ {
		u := unzig[zig]
		if b[u] == 0 {
			if nz == 0 {
				break
			}
			nz--
			continue
		}
		bit, err := d.decodeBit()
		if err != nil {

Indian/Chagos Indian/Christmas Indian/Cocos Indian/Comoro Indian/Kerguelen Indian/Mahe Indian/Maldives Indian/Mauritius Indian/Mayotte Indian/Reunion Iran Israel Jamaica Japan Kwajalein Libya MET MST MST7MDT Mexico/BajaNorte Mexico/BajaSur Mexico/General NZ NZ-CHAT Navajo PRC PST8PDT Pacific/Apia Pacific/Auckland Pacific/Bougainville Pacific/Chatham Pacific/Chuuk Pacific/Easter Pacific/Efate Pacific/Enderbury Pacific/Fakaofo Pacific/Fiji Pacific/Funafuti Pacific/Galapagos Pacific/Gambier Pacific/Guadalcanal...

// Absorb boolean tests into block
(NZ (Equal         cc) yes no) => (EQ  cc yes no)
(NZ (NotEqual      cc) yes no) => (NE  cc yes no)
(NZ (LessThan      cc) yes no) => (LT  cc yes no)
(NZ (LessThanU     cc) yes no) => (ULT cc yes no)
(NZ (LessEqual     cc) yes no) => (LE  cc yes no)
(NZ (LessEqualU    cc) yes no) => (ULE cc yes no)
(NZ (GreaterThan   cc) yes no) => (GT  cc yes no)
(NZ (GreaterThanU  cc) yes no) => (UGT cc yes no)

      gdate "$@"
      ;;
    *)
      date "$@"
      ;;
  esac
}

# Output a message, with a timestamp matching istio log format
function log() {
  echo -e "$(date_cmd -u '+%Y-%m-%dT%H:%M:%S.%NZ')\t$*"
}

# Trace runs the provided command and records additional timing information
# NOTE: to avoid spamming the logs, we disable xtrace and re-enable it before executing the function

00000270  50 49 ff 47 ba 47 6d e1  bb 2d 8f 77 d5 44 a9 87  |PI.G.Gm..-.w.D..|
00000280  2a 05 12 52 bf 2b e2 4b  64 94 9c 89 bb 2c 65 cb  |*..R.+.Kd....,e.|
00000290  59 2a f0 1a 15 b2 e3 6e  5a cc 48 b4 44 6c 44 07  |Y*.....nZ.H.DlD.|
000002a0  80 01 93 25 86 83 f2 8f  01 e6 ef 5e 9a 36 4e 7f  |...%.......^.6N.|
000002b0  bc 27 0e 4d f0 67 3a de  29 b5 e9 6a 7f 4b b4 77  |.'.M.g:.)..j.K.w|

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|

DEFAULT_KIND_IMAGE="gcr.io/istio-testing/kind-node:v1.28.4"

# COMMON_SCRIPTS contains the directory this file is in.
COMMON_SCRIPTS=$(dirname "${BASH_SOURCE:-$0}")

function log() {
  echo -e "$(date -u '+%Y-%m-%dT%H:%M:%S.%NZ')\t$*"
}

function retry() {
  local n=1
  local max=5
  local delay=5
  while true; do
    "$@" && break
    if [[ $n -lt $max ]]; then
      ((n++))
      log "Command failed. Attempt $n/$max:"

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|

00000130  bc d8 1d 01 4c 1f 70 90  46 76 48 8b 8f 83 cc 4a  |....L.p.FvH....J|
00000140  5c 8f 40 76 da e0 89 ec  1d 2b c4 4e 30 76 28 41  |\.@v.....+.N0v(A|
00000150  b2 62 a8 fb 5b f1 f9 4e  7a 8d bd 09 b8 ae ea 8b  |.b..[..Nz.......|
00000160  18 27 4f 2e 70 fe 13 96  ba c3 d3 40 16 cd 65 4e  |.'******@****.***|
00000170  ac 11 1e e6 f1 30 09 06  07 2a 86 48 ce 3d 04 01  |.....0...*.H.=..|