} else {
                logger.warn("Could not locate " + resource + " on classpath, Maven runtime information not available");
            }
        } catch (IOException e) {
            String msg = "Could not parse " + resource + ", Maven runtime information not available";
            if (logger.isDebugEnabled()) {
                logger.warn(msg, e);
            } else {
                logger.warn(msg);
            }
        }

separate = false; append(start); while (i.hasNext()) { if (separate) append(separator); appendDescriptionOf(i.next()); separate = true; } append(end); return this; } /** * Append the String <var>str</var> to the description. * The default implementation passes every character to {@link #append(char)}. * Override in subclasses to provide an efficient implementation. */ protected void append(String str) { for (int i = 0; i < str.length(); i++) { append(str.charAt(i)); } } /** * Append the char <var>c</var>...

        Version current;
        try {
            current = versionScheme.parseVersion(currentVersion);
        } catch (InvalidVersionSpecificationException e) {
            throw new IllegalStateException("Could not parse current Java version", e);
        }
        if (constraint.getRange() == null) {
            return constraint.getVersion().compareTo(current) <= 0;
        }
        return constraint.containsVersion(current);
    }

        return interpolate(model, context, true);
    }

    /**
     * Serialize the inbound Model instance to a StringWriter, perform the regex replacement to resolve
     * POM expressions, then re-parse into the resolved Model instance.
     * <p>
     * <b>NOTE:</b> This will result in a different instance of Model being returned!!!
     *

 * @see org.apache.maven.api.services.ToolchainsBuilder#build(Session, Source, Source)
 */
@Experimental
public interface Source {

    /**
     * Provides access the file to be parsed, if this source is backed by a file.
     *
     * @return the underlying {@code Path}, or {@code null} if this source is not backed by a file
     */
    @Nullable
    Path getPath();

    /**

            if (rawVal != null) {
                try {
                    return new Date(Long.parseLong(rawVal));
                } catch (NumberFormatException e) {
                    getLogger().debug("Cannot parse lastUpdated date: '" + rawVal + "'. Ignoring.", e);
                }
            }
        }
        return null;
    }

    private String getError(File touchFile, String key) {

import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Parses and evaluates version ranges encountered in dependency declarations.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface VersionRangeResolver extends Service {

    /**

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  some garbage maven project builder can't parse

            return new MetadataStaxReader().read(input, false);
        } catch (IOException | XMLStreamException e) {
            throw new RepositoryException("Could not parse metadata " + metadataPath + ": " + e.getMessage(), e);
        }
    }

    private void write(Path metadataPath, Metadata metadata) throws RepositoryException {
        try {

        </codeSegment>
        <codeSegment>
          <version>2.0.0+</version>
          <code>
    /**
     * Indicates if this proxy is active.
     * To allow interpolation of this field, this method lazily parses
     * the {@link #getActiveString()} value as a boolean and defaults to {@code true}
     * if not set.
     *
     * @return a boolean indicating if this proxy is active
     */
    public boolean isActive() {