/**
     * Default constructor for CommandChain.
     */
    public CommandChain() {
        // Default constructor
    }

    /**
     * Checks if the given username is a target user for command execution.
     * @param username The username to check.
     * @return True if the user is a target user, false otherwise.
     */
    protected boolean isTargetUser(final String username) {

     * indicating that the URL should not be crawled. Otherwise, it returns {@code true}.
     *
     * @param paramMap the parameter map containing potential exclusion patterns
     * @param url the URL to be checked for crawlability
     * @return {@code true} if the URL is crawlable; {@code false} if it matches the exclusion pattern
     */
    protected boolean isUrlCrawlable(final DataStoreParams paramMap, final String url) {

	// release lock
	h.mutex.Unlock()

	return nil
}

// healSequenceStart - this is the top-level background heal
// routine. It launches another go-routine that actually traverses
// on-disk data, checks and heals according to the selected
// settings. This go-routine itself, (1) monitors the traversal
// routine for completion, and (2) listens for external stop
// signals. When either event happens, it sets the finish status for

      checkElementsNotNull(elements, n);
      ensureRoomFor(n);
      /*
       * The following call is not statically checked, since arraycopy accepts plain Object for its
       * parameters. If it were statically checked, the checker would still be OK with it, since
       * we're copying into a `contents` array whose type allows it to contain nulls. Still, it's

| `minio_node_ilm_action_count_delete_action`                  | Total action outcome of lifecycle checks since server start for deleting object                            |

     * <p><b>Note:</b> in general, code should assume that the string form returned by {@code
     * ToStringHelper} for a given object may change. In particular, the list of types which are
     * checked for emptiness is subject to change. We currently check {@code CharSequence}s, {@code
     * Collection}s, {@code Map}s, optionals (including Guava's), and arrays.
     *
     * @since 33.4.0
     */
    @CanIgnoreReturnValue

	// HTTP request for testing when `objectLayer` is set to `nil`.
	// There is no need to use an existing bucket and valid input for creating the request
	// since the `objectLayer==nil`  check is performed before any other checks inside the handlers.
	// The only aim is to generate an HTTP request in a way that the relevant/registered end point is evoked/called.

	nilBucket := "dummy-bucket"
	nilObject := "dummy-object"

            return requireNonNull(get(entry.getKey())).equals(entry.getValue());
          }
        }
        return false;
      }

      @Override
      public boolean remove(@Nullable Object obj) {
        /*
         * `o instanceof Entry` is guaranteed by `contains`, but we check it here to satisfy our
         * nullness checker.
         */

            context.invalidate();
            log.debug("Finalized preauth integrity context for session {}", sessionId);
        }
    }

    /**
     * Checks if a hash algorithm is supported.
     *
     * @param hashAlgorithm the algorithm to check
     * @return true if supported
     */
    public boolean isHashAlgorithmSupported(int hashAlgorithm) {

        assertFalse(
                wagon.getTransferEventSupport().hasTransferListener(transferListener),
                "Transfer listener still registered after putArtifact");
    }

    /**
     * Checks the verification of checksums.
     */
    @Disabled
    @Test
    void testChecksumVerification() throws Exception {
        ArtifactRepositoryPolicy policy = new ArtifactRepositoryPolicy(