syncFailuresMD                           = NewCounterMD(syncFailures, "Number of failed IAM data syncs since server start.")
	syncSuccessesMD                          = NewCounterMD(syncSuccesses, "Number of successful IAM data syncs since server start.")
)

// loadClusterIAMMetrics - `MetricsLoaderFn` for cluster IAM metrics.

   * value in the manner of {@link Number#floatValue}.
   *
   * <p>Elements are copied from the argument collection as if by {@code collection.toArray()}.
   * Calling this method is as thread-safe as calling that method.
   *
   * @param collection a collection of {@code Number} instances

   * value in the manner of {@link Number#doubleValue}.
   *
   * <p>Elements are copied from the argument collection as if by {@code collection.toArray()}.
   * Calling this method is as thread-safe as calling that method.
   *
   * @param collection a collection of {@code Number} instances

   * value in the manner of {@link Number#floatValue}.
   *
   * <p>Elements are copied from the argument collection as if by {@code collection.toArray()}.
   * Calling this method is as thread-safe as calling that method.
   *
   * @param collection a collection of {@code Number} instances

 * striping on 64bit values. The class extends Number so that concrete subclasses must publicly do
 * so.
 */
@SuppressWarnings({"SunApi", "removal"}) // b/345822163
@GwtIncompatible
@ElementTypesAreNonnullByDefault
abstract class Striped64 extends Number {
  /*
   * This class maintains a lazily-initialized table of atomically

query Q($after: String, $category_id: ID) {
  repository(name: "fastapi", owner: "fastapi") {
    discussions(first: 100, after: $after, categoryId: $category_id) {
      edges {
        cursor
        node {
          number
          author {
            login
            avatarUrl
            url
          }
          title
          createdAt
          comments(first: 100) {
            nodes {
              createdAt

   * in the manner of {@link Number#byteValue}.
   *
   * <p>Elements are copied from the argument collection as if by {@code collection.toArray()}.
   * Calling this method is as thread-safe as calling that method.
   *
   * @param collection a collection of {@code Number} instances

     * is given by {@link #getSource()}.
     *
     * @return The one-based index of the line containing the problem or a non-positive value if unknown.
     */
    int getLineNumber();

    /**
     * Gets the one-based index of the column containing the problem. The column number should refer to some text file

	pathAndLineNo := f[1]
	f = strings.Split(pathAndLineNo, ":")
	if runtime.GOOS == "windows" && len(f) == 3 {
		// Reattach drive letter.
		f = []string{f[0] + ":" + f[1], f[2]}
	}
	if len(f) != 2 {
		t.Fatalf("no line number found in %q", pathAndLineNo)
	}
	return funcname, f[0], f[1]
}

const symName = "cmd/addr2line.TestAddr2Line"

func testAddr2Line(t *testing.T, dbgExePath, addr string) {

    while (idx < encodedLen) {
      idx += doParseTrieToBuilder(newArrayDeque(), encoded, idx, builder);
    }

    return builder.buildOrThrow();
  }

  /**
   * Parses a trie node and returns the number of characters consumed.
   *
   * @param stack The prefixes that precede the characters represented by this node. Each entry of
   *     the stack is in reverse order.
   * @param encoded The serialized trie.