/** Parses a single value. */
  private interface ValueParser {
    void parse(CacheBuilderSpec spec, String key, @CheckForNull String value);
  }

  /** Splits each key-value pair. */
  private static final Splitter KEYS_SPLITTER = Splitter.on(',').trimResults();

  /** Splits the key from the value. */
  private static final Splitter KEY_VALUE_SPLITTER = Splitter.on('=').trimResults();

  /** Map of names to ValueParser. */

		},
		{ // clusters invalid
			args:           strings.Split("clusters invalid", " "),
			expectedString: "unable to retrieve Pod: pods \"invalid\" not found",
			wantException:  true, // "istioctl proxy-config clusters invalid" should fail
		},
		{ // listeners invalid
			args:           strings.Split("listeners invalid", " "),
			expectedString: "unable to retrieve Pod: pods \"invalid\" not found",

        for (String lockExcludes : dependencyNotations) {
            for (String lockExclude : lockExcludes.split(",")) {
                String[] split = lockExclude.split(MODULE_SEPARATOR);
                validateNotation(lockExclude, split, allowFullWildcard, context);

                lockEntryFilters.add(createFilter(split[0], split[1]));
            }
            if (lockEntryFilters.isEmpty()) {

		{ // case 0
			Args:           strings.Split("--browser=false", " "),
			ExpectedRegexp: regexp.MustCompile("Access to Istio web UIs"),
		},
		{ // case 1
			Args:           strings.Split("invalid --browser=false", " "),
			ExpectedRegexp: regexp.MustCompile(`unknown dashboard "invalid"`),
			WantException:  true,
		},
		{ // case 2
			Args:           strings.Split("controlz --browser=false", " "),

	for _, test := range splitTests {
		// First with newlines.
		got := g.split("//go:generate " + test.in + "\n")
		if !reflect.DeepEqual(got, test.out) {
			t.Errorf("split(%q): got %q expected %q", test.in, got, test.out)
		}
		// Then with CRLFs, thank you Windows.
		got = g.split("//go:generate " + test.in + "\r\n")
		if !reflect.DeepEqual(got, test.out) {
			t.Errorf("split(%q): got %q expected %q", test.in, got, test.out)
		}
	}
}

func RemoveBrackets(pe string) (string, bool) {
	if !strings.HasPrefix(pe, "[") || !strings.HasSuffix(pe, "]") {
		return "", false
	}
	return pe[1 : len(pe)-1], true
}

// splitEscaped splits a string using the rune r as a separator. It does not split on r if it's prefixed by \.
func splitEscaped(s string, r rune) []string {
	var prev rune
	if len(s) == 0 {
		return []string{}
	}
	prevIdx := 0
	var out []string

	opBra        = 0x28 /* 1 op, signed 2-byte constant */
	opEq         = 0x29
	opGe         = 0x2A
	opGt         = 0x2B
	opLe         = 0x2C
	opLt         = 0x2D
	opNe         = 0x2E
	opLit0       = 0x30
	/* OpLitN = OpLit0 + N for N = 0..31 */
	opReg0 = 0x50
	/* OpRegN = OpReg0 + N for N = 0..31 */
	opBreg0 = 0x70 /* 1 op, signed LEB128 constant */
	/* OpBregN = OpBreg0 + N for N = 0..31 */

  %0:2 = "tfl.split"(%cst, %arg0) {num_splits = 2 : i32} : (tensor<i32>, tensor<4xf32>) -> (tensor<2xf32>, tensor<2xf32>)
    loc(fused["skip1.cc":10:8, "op", callsite("skip2" at "skip3.cc":10:8)])
  func.return %0#0, %0#1 : tensor<2xf32>, tensor<2xf32>

// CHECK-NEXT: %[[split:.*]]:2 = "tfl.split"
// CHECK-NEXT: %[[stats1:.*]] = "quantfork.stats"(%[[split]]#0) <{layerStats = dense<[-1.000000e+00, 1.000000e+00]>

}

func compileTagFilter(name, value string, numLabelUnits map[string]string, ui plugin.UI, err error) (func(*profile.Sample) bool, error) {
	if value == "" || err != nil {
		return nil, err
	}

	tagValuePair := strings.SplitN(value, "=", 2)
	var wantKey string
	if len(tagValuePair) == 2 {
		wantKey = tagValuePair[0]
		value = tagValuePair[1]
	}

	if numFilter := parseTagFilterRange(value); numFilter != nil {

		}
		return tags
	}
	// fall back to tags if tagsList is not available
	if at, ok := e.computeMetadata["tags"]; ok && len(at.(string)) > 0 {
		for _, tag := range strings.Split(at.(string), ";") {
			kv := strings.SplitN(tag, ":", 2)
			switch len(kv) {
			case 2:
				tags[e.prefixName(kv[0])] = kv[1]
			case 1:
				tags[e.prefixName(kv[0])] = ""
			}
		}
	}
	return tags
}