}

    /**
     * Gets the compiled pattern for matching sensitive property/environment variable keys.
     * The pattern is read from the system property 'app.log.sensitive.property.pattern'.
     * If not set, a default pattern matching common sensitive key names is used.
     *
     * @return The compiled Pattern for sensitive key matching
     */
    private static Pattern getSensitivePattern() {

    }

    /**
     * Converts to {@link Double}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@link Double}
     */
    public static Double toDouble(final Object o, final String pattern) {
        if (o == null) {
            return null;
        } else if (o instanceof Double) {
            return (Double) o;

        if (name == null) {
            throw new InvalidUserDataException("Missing [name] for invalid pattern rule");
        }
        String pattern = props.remove("pattern");
        if (pattern == null) {
            throw new InvalidUserDataException("Missing [pattern] for invalid pattern rule");
        }
        if (props.isEmpty() == false) {

        // Pattern uses Object (identity) equality, so we have to reach
        // inside to compare individual fields.
        return Objects.equals(pattern.pattern(), that.pattern.pattern())
            && pattern.flags() == that.pattern.flags();
      }
      return false;
    }

    @Override
    public String toString() {
      String patternString =

  }

  static String stringValueOf(@Nullable Object o) {
    return String.valueOf(o);
  }

  static CommonPattern compilePattern(String pattern) {
    Preconditions.checkNotNull(pattern);
    return patternCompiler.compile(pattern);
  }

  static boolean patternCompilerIsPcreLike() {
    return patternCompiler.isPcreLike();
  }

  private static PatternCompiler loadPatternCompiler() {

    }

    /**
     * Converts to {@link Byte}.
     *
     * @param o
     *            The object to convert
     * @param pattern
     *            The pattern string
     * @return The converted {@link Byte}
     */
    public static Byte toByte(final Object o, final String pattern) {
        if (o == null) {
            return null;
        } else if (o instanceof Byte) {
            return (Byte) o;

import java.util.function.BiConsumer;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * Checks the snippets included in the docs aren't too wide to fit on
 * the page.
 */
public class SnippetLengthCheck extends AbstractFileSetCheck {
    private static final Pattern START = Pattern.compile("^( *)//\\s*tag::(.+?)\\s*$", Pattern.MULTILINE);
    private int max;

    /**

			<PatternLayout><Pattern>${log.pattern}</Pattern></PatternLayout><!-- <EcsLayout serviceName="fess" eventDataset="app" /> -->
			<Policies>
				<TimeBasedTriggeringPolicy />
				<SizeBasedTriggeringPolicy size="100 MB" />
			</Policies>
			<DefaultRolloverStrategy fileIndex="max" min="1"
				max="${backup.max.history}" compressionLevel="9">

    private final Pattern javadocLinkPattern = Pattern.compile("link:\\{javadocPath\\}/(.*?\\.html)");
    // link:https://kotlinlang.org/docs/reference/using-gradle.html#targeting-the-jvm[Kotlin]
    private final Pattern markdownLinkPattern = Pattern.compile("\\[[^]]+]\\([^)^\\\\]+\\)");

    // <a href="javadoc/org/gradle/api/artifacts/dsl/DependencyHandler.html">

    // Path traversal patterns
    private static final Pattern TRAVERSAL_PATTERN = Pattern.compile("\\.\\.[\\\\/]|[\\\\/]\\.\\.");
    private static final Pattern DOUBLE_DOT_PATTERN = Pattern.compile("\\.\\.");
    private static final Pattern ENCODED_TRAVERSAL = Pattern.compile("%2e%2e|%252e%252e", Pattern.CASE_INSENSITIVE);
    private static final Pattern UNICODE_TRAVERSAL = Pattern.compile("\\\\u002e\\\\u002e|\\\\u002E\\\\u002E", Pattern.CASE_INSENSITIVE);