*
   * <p>Despite the method name, this method attempts to avoid actually copying the data when it is
   * safe to do so. The exact circumstances under which a copy will or will not be performed are
   * undocumented and subject to change.
   *
   * <p>This method is not type-safe, as it may be called on a map with keys that are not mutually
   * comparable.
   *

   *
   * <p>Despite the method name, this method attempts to avoid actually copying the data when it is
   * safe to do so. The exact circumstances under which a copy will or will not be performed are
   * undocumented and subject to change.
   *
   * <p>This method is not type-safe, as it may be called on a map with keys that are not mutually
   * comparable.
   *

				"!self.listMap.all(m, has(m.v2) && m.v2 != 'z')":               10,
				"self.listMap.exists_one(m, has(m.v2) && m.v2 == 'z')":         12,
				"self.listMap.filter(m, has(m.v2) && m.v2 == 'z').size() == 1": 24,
				// undocumented overload of map that takes a filter argument. This is the same as .filter().map()
				"self.listMap.map(m, has(m.v2) && m.v2 == 'z', m.v2).size() == 1":           25,

		// hurry the output along, echoing it as soon as it comes in.
		// We still have to copy to &buf for caching the result. This special
		// case was introduced in Go 1.5 and is intentionally undocumented:
		// the exact details of output buffering are up to the go command and
		// subject to change. It would be nice to remove this special case
		// entirely, but it is surely very helpful to see progress being made

   * live view is <i>not</i> needed, it may be faster to copy the filtered multimap and use the
   * copy.
   *
   * <p><b>Warning:</b> {@code keyPredicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals.
   *
   * @since 11.0
   */

   * live view is <i>not</i> needed, it may be faster to copy the filtered multimap and use the
   * copy.
   *
   * <p><b>Warning:</b> {@code keyPredicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals.
   *
   * @since 11.0
   */

   * <i>not</i> needed, it may be faster to copy {@code Iterables.filter(unfiltered, predicate)} and
   * use the copy.
   *
   * <p><b>Warning:</b> {@code predicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals. (See {@link

   * <i>not</i> needed, it may be faster to copy {@code Iterables.filter(unfiltered, predicate)} and
   * use the copy.
   *
   * <p><b>Warning:</b> {@code predicate} must be <i>consistent with equals</i>, as documented at
   * {@link Predicate#apply}. Do not provide a predicate such as {@code
   * Predicates.instanceOf(ArrayList.class)}, which is inconsistent with equals. (See {@link

	w.Header().Set("Last-Modified", "sometime")
	fmt.Fprintf(w, "User-agent: go\nDisallow: /something/")
})

// pedanticReadAll works like io.ReadAll but additionally
// verifies that r obeys the documented io.Reader contract.
func pedanticReadAll(r io.Reader) (b []byte, err error) {
	var bufa [64]byte
	buf := bufa[:]
	for {
		n, err := r.Read(buf)
		if n == 0 && err == nil {

					skipSourceIPTestsForMulticluster := func(t framework.TestContext) {
						t.Helper()
						if t.Clusters().IsMulticluster() {
							// TODO(nmittler): Needs to be documented as a limitation for multi-network.
							t.Skip("https://github.com/istio/istio/issues/37307: " +
								"Source IP-based authz tests are not supported in multi-network configurations " +