/**
     * The pattern for the date and time.
     */
    protected String pattern;

    /**
     * Constructs an instance.
     *
     * @param pattern
     *            the pattern for date and time
     */
    public TimestampConverter(final String pattern) {
        assertArgumentNotEmpty("pattern", pattern);
        this.pattern = pattern;
    }

    @Override

        }
    }

    /**
     * Moves the position over the given pattern if currently looking at the pattern. Does nothing if not.
     */
    public void skip(Pattern pattern) {
        Matcher m = pattern.matcher(input);
        m.region(pos, input.length());
        if (m.lookingAt()) {
            pos = m.end();
        }
    }

    public void pushText(String rawCommentText) {

import java.io.Serializable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/** A regex pattern implementation which is backed by the {@link Pattern}. */
@GwtIncompatible
final class JdkPattern extends CommonPattern implements Serializable {
  private final Pattern pattern;

  JdkPattern(Pattern pattern) {
    this.pattern = Preconditions.checkNotNull(pattern);
  }

  @Override
  public CommonMatcher matcher(CharSequence t) {

     */
    public CopyOptions dateConverter(final String pattern, final CharSequence... propertyNames) {
        assertArgumentNotEmpty("pattern", pattern);

        return converter(new DateConverter(pattern), propertyNames);
    }

    /**
     * Sets a converter for SQL dates.
     *
     * @param pattern
     *            The date pattern. Must not be {@literal null} or an empty string.

    private static final Pattern ATTRIBUTE_SEPARATOR = Pattern.compile("\\s*=\\s*");
    private static final Pattern END_ELEMENT_NAME = Pattern.compile("\\s+|(/>)|>");
    private static final Pattern END_ELEMENT = Pattern.compile("(/>)|>");
    private static final Pattern HTML_ENCODED_CHAR = Pattern.compile("&#\\d+;");
    private static final Pattern HTML_ENTITY = Pattern.compile("&.+?;");

import java.io.Serializable;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/** A regex pattern implementation which is backed by the {@link Pattern}. */
@GwtIncompatible
final class JdkPattern extends CommonPattern implements Serializable {
  private final Pattern pattern;

  JdkPattern(Pattern pattern) {
    this.pattern = Preconditions.checkNotNull(pattern);
  }

  @Override
  public CommonMatcher matcher(CharSequence t) {

    private final Pattern releaseNotesJavadocPattern = Pattern.compile("javadoc/(.*?\\.html)");
    // <a href="userguide/upgrading_version_8.html#changes_@baseVersion@">
    private final Pattern releaseNotesUserGuidePattern = Pattern.compile("userguide/(.*?)(?=\\.html)");
    // <a href="samples/sample_problems_api_usage.html">
    private final Pattern releaseNotesSamplesPattern = Pattern.compile("samples/(.*?)(?=\\.html)");

    }

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

    /**
     * The date pattern.
     */
    protected String pattern;

    /**
     * Constructs an instance.
     *
     * @param pattern
     *            the date pattern
     */
    public SqlDateConverter(final String pattern) {
        assertArgumentNotEmpty("pattern", pattern);
        this.pattern = pattern;
    }

    @Override

    protected static final Pattern ALLOW_RECORD = Pattern.compile("^allow:\\s*([^\\s]*)\\s*$", Pattern.CASE_INSENSITIVE);

    /** Pattern for parsing crawl-delay records. */
    protected static final Pattern CRAWL_DELAY_RECORD = Pattern.compile("^crawl-delay:\\s*([^\\s]+)\\s*$", Pattern.CASE_INSENSITIVE);

    /**
     * Pattern for Sitemap record.
     */