* this class delegates all of its calls.
     */
    public static class PrefixedObjectValueSource extends AbstractDelegatingValueSource
            implements QueryEnabledValueSource {

        /**
         * Wrap the specified root object, allowing the specified expression prefix.
         * @param prefix the prefix.
         * @param root the root of the graph.
         */

        }

        ArtifactTransferEvent event = wrap(transferEvent);
        event.setDataBuffer(buffer);
        event.setDataOffset(0);
        event.setDataLength(length);
        event.setTransferredBytes(transferred);

        listener.transferProgress(event);
    }

    public void transferStarted(TransferEvent transferEvent) {
        listener.transferStarted(wrap(transferEvent));
    }

            if (read < 0) {
                break;
            }
            for (ChecksumCalculator checksumCalculator : algMap.values()) {
                checksumCalculator.update(ByteBuffer.wrap(buffer, 0, read));
            }
        }
        LinkedHashMap<ChecksumAlgorithm, String> result = new LinkedHashMap<>();
        algMap.forEach((k, v) -> result.put(k, v.checksum()));
        return result;
    }

            if (read < 0) {
                break;
            }
            for (ChecksumCalculator checksumCalculator : algMap.values()) {
                checksumCalculator.update(ByteBuffer.wrap(buffer, 0, read));
            }
        }
        LinkedHashMap<ChecksumAlgorithm, String> result = new LinkedHashMap<>();
        algMap.forEach((k, v) -> result.put(k, v.checksum()));
        return result;
    }

/**
 * Exception which occurs when a normal (i.e. non-aggregator) mojo fails to
 * execute. In this case, the mojo failed while executing against a particular
 * project instance, so we can wrap the {@link MojoFailureException} with context
 * information including projectId that caused the failure.
 *
 *
 */
public class ProjectBuildFailureException extends BuildFailureException {

decorated matcher, including its mismatch description. For example: describedAs("a big decimal equal to %0", equalTo(myBigDecimal), myBigDecimal.toPlainString()) Parameters: description - the new description for the wrapped matcher matcher - the matcher to wrap values - optional values to insert into the tokenised description everyItem public static <U> Matcher<java.lang.Iterable<U>> everyItem(Matcher<U> itemMatcher) Creates a matcher for Iterables that only matches when a single pass over the examined Iterable...