var f format
	err = json.Unmarshal(formatJSON, &f)
	if err != nil {
		return format{}, err
	}

	return f, nil
}

func getDiskLocation(f format) (string, error) {
	for i, set := range f.XL.Sets {
		for j, disk := range set {
			if disk == f.XL.This {
				return fmt.Sprintf("%d-%d", i, j), nil
			}
		}
	}
	return "", errors.New("format.json is corrupted")
}

func main() {

     */
    boolean isError();

    /**
     * Set error status
     */
    void error();

    /**
     * Gets the expiration time for this response.
     *
     * @return the message timeout
     */
    Long getExpiration();

    /**
     * Sets the expiration time for this response.
     *
     * @param exp the message timeout to set
     */
    void setExpiration(Long exp);

    /**

import com.google.common.annotations.GwtCompatible;
import java.util.Collection;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * A set which forwards all its method calls to another set. Subclasses should override one or more
 * methods to modify the behavior of the backing set as desired per the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>.
 *

                    return true;
                }
            }
            return false;
        }

        /**
         * Sets the initial capacity for the text normalization context.
         *
         * @param initialCapacity the initial capacity to be set
         * @return the updated TextNormalizeContext instance
         */
        public TextNormalizeContext initialCapacity(final int initialCapacity) {

      }

    /**
     * Set this certificate to be a signing certificate, with up to `maxIntermediateCas`
     * intermediate signing certificates beneath it.
     *
     * By default this certificate cannot not sign other certificates. Set this to 0 so this
     * certificate can sign other certificates (but those certificates cannot themselves sign

        return sessionIdList;
    }

    /**
     * Sets the list of crawler session IDs to process.
     *
     * @param sessionIdList the list of session IDs to set
     */
    public void setSessionIdList(final List<String> sessionIdList) {
        this.sessionIdList = sessionIdList;
    }

    /**
     * Sets the flag indicating whether crawling should be finished.
     *

        return targetNodePath;
    }

    /**
     * Sets the XPath expression for selecting target nodes.
     *
     * @param targetNodePath the target node path to set
     */
    public void setTargetNodePath(final String targetNodePath) {
        this.targetNodePath = targetNodePath;
    }

    /**
     * Sets the cache duration for XPathAPI instances.
     *

    /**
     * Sets the fourth value.
     *
     * @param value4
     *            The fourth value
     */
    public void setValue4(final T4 value4) {
        this.value4 = value4;
    }

    /**
     * Returns the fifth value.
     *
     * @return The fifth value
     */
    public T5 getValue5() {
        return value5;
    }

    /**
     * Sets the fifth value.
     *

        /**
         * Sets the Maven session for this request.
         *
         * @param session the Maven session
         * @return this builder instance
         */
        public ProjectBuilderRequestBuilder session(Session session) {
            this.session = session;
            return this;
        }

        /**
         * Sets the request trace for this request.

    /**
     * The exclude filtering pattern.
     */
    protected String excludeFilteringPattern;

    /**
     * The cached include set.
     */
    protected Set<String> cachedIncludeSet = new LinkedHashSet<>();

    /**
     * The cached exclude set.
     */
    protected Set<String> cachedExcludeSet = new LinkedHashSet<>();

    /**
     * The session ID.
     */
    protected String sessionId;

    /**