callerInfo = new NullPointerException().getStackTrace()[2];

        Runnable warning = this::maybeWarnAboutCleanUp;

        cleanupWarning = new Thread(warning);

        Runtime.getRuntime().addShutdownHook(cleanupWarning);
    }

    private void maybeWarnAboutCleanUp() {
        if (warnAboutCleanup) {
            System.out.println("[WARNING] TestFileManager from: " + callerInfo.getClassName() + " not cleaned up!");
        }

                        loc != null ? loc.getColumnNumber() : -1,
                        e,
                        e.getMessage(),
                        BuilderProblem.Severity.WARNING));
            }
        } catch (XmlReaderException e) {
            Location loc = e.getCause() instanceof XMLStreamException xe ? xe.getLocation() : null;
            problems.add(new DefaultBuilderProblem(

        if (context == null) {
            return null;
        }
        return context.get(key);
    }

    /**
     * Sets the project's class realm. <strong>Warning:</strong> This is an internal utility method that is only public
     * for technical reasons, it is not part of the public API. In particular, this method can be changed or deleted

                    // Take out basedir expression and the leading slash
                    s = chopLeadingFileSeparator(s.substring(basedirExpr.length()));
                } else {
                    s = ".";
                }
            }
        }

        return s;
    }

    /**
     * Removes the leading directory separator from the specified filesystem path (if any). For platform-independent

    @Nonnull
    PersistedToolchains getEffectiveToolchains();

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link ToolchainsBuilderException}.
     *

import org.eclipse.aether.resolution.ArtifactDescriptorResult;

/**
 * Maven relocation source.
 * Note: implementations of this component should avoid the "default" name (has special meaning in Eclipse Sisu) and
 * explicitly order implementations using Sisu priorities.
 *
 * @since 4.0.0
 */
public interface MavenArtifactRelocationSource {
    /**

                    // still unreadable even in non-strict mode, rethrow original error
                    throw e;
                }

                Severity severity = request.isProjectBuild() ? Severity.ERROR : Severity.WARNING;
                problems.add(
                        severity,
                        ModelProblem.Version.V20,
                        "Malformed POM " + modelSource.getLocation() + ": " + e.getMessage(),

import org.eclipse.aether.repository.LocalRepository;
import org.eclipse.aether.repository.LocalRepositoryManager;
import org.eclipse.aether.repository.RemoteRepository;

/**
 * <strong>Warning:</strong> This is an internal utility class that is only public for technical reasons, it is not part
 * of the public API. In particular, this class can be changed or deleted without prior notice.
 *
 */
@Deprecated

                } catch (DirectoryNotEmptyException e) {
                    // ignore
                }
            }
        } catch (IOException e) {
            LOGGER.error("Error while cleaning project local repository", e);
        }
    }

    /**
     * Retrieve a stream of the project's artifacts
     */
    private Stream<Artifact> getProjectArtifacts(MavenProject project) {

                    msg += " Please use ${" + newPrefix + expression.substring(bannedPrefix.length()) + "} instead.";
                }
                problems.add(BuilderProblem.Severity.WARNING, ModelProblem.Version.V20, msg);
            }

            return value;
        }

        @Override
        public List getFeedback() {
            return valueSource.getFeedback();
        }