}
        return ranges;
    }

    private static class RangeValue {
        private String value;

        private boolean closed;

        RangeValue(String value, boolean closed) {
            this.value = value.trim();
            this.closed = closed;
        }

        @Override
        public String toString() {
            return value;
        }
    }

            throws IOException;

    /**
     * Calculates checksums for specified stream. Upon this method returns, the stream will be depleted (fully read)
     * but not closed.
     *
     * @param stream      The stream for which to calculate checksums, must not be {@code null}.
     * @param algorithms  The checksum algorithms to use, must not be {@code null}.

 * their lifecycle is shared as well: once supplied repository system is shut-down, this instance becomes closed as
 * well. Any subsequent {@code getXXX} method invocation attempt will fail with {@link IllegalStateException}.
 */
public class RepositorySystemSupplier implements Supplier<RepositorySystem> {
    private final AtomicBoolean closed = new AtomicBoolean(false);

    public RepositorySystemSupplier() {}

     * at the given file or in the given directory.
     */
    @Nullable
    Path locateExistingPom(@Nonnull Path project);

    /**
     * Reads the model from the specified byte stream. The stream will be automatically closed before the method
     * returns.
     *
     * @param request The reader request to deserialize the model, must not be {@code null}.
     * @return The deserialized model, never {@code null}.

FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

 * artifactId, and version for the plugin; at times, the goal name for which
 * execution failed; a message detailing the problem; the ClassRealm used to
 * look up the plugin; and the Plexus exception that caused this error.
 *
 *
 */
public class PluginContainerException extends PluginManagerException {

    private ClassRealm pluginRealm;

    public PluginContainerException(

                }
            } else {
                acquiredAggregatorLock = null;
                acquiredProjectLock = null;
            }
        }

        @Override
        public void close() {
            // release the lock in the reverse order of the acquisition
            if (acquiredProjectLock != null) {
                acquiredProjectLock.unlock();
            }

                ReactorReader reactorReader = lookup.lookup(ReactorReader.class);
                reactorReader.processEvent((ExecutionEvent) event);
            }
        }

        @Override
        public void close() throws Exception {}
    }

                            + newRepos.stream().map(s -> "    " + s).collect(Collectors.joining("\n")));
                }
            }

            // we pass a cloned model, so that resolving the parent version does not affect the returned model
            ModelData parentData = readParent(model, currentData.source(), request, problems);

            if (parentData == null) {

     * @since 2.0.9
     */
    @Override
    public MavenProject clone() {
        MavenProject clone;
        try {
            clone = (MavenProject) super.clone();
        } catch (CloneNotSupportedException e) {
            throw new UnsupportedOperationException(e);
        }

        clone.deepCopy(this);

        return clone;
    }

    public void setModel(Model model) {