* @throws NullPointerException if {@code replacement} is null
     */
    @CanIgnoreReturnValue
    public Builder addEscape(char c, String replacement) {
      checkNotNull(replacement);
      // This can replace an existing character (the builder is re-usable).
      replacementMap.put(c, replacement);
      return this;
    }

    /** Returns a new escaper based on the current state of the builder. */
    public Escaper build() {

    }

    /**
     * Gets the replacement string for question marks in URLs.
     *
     * @return the question mark replacement string
     */
    public String getQuestionStr() {
        return questionStr;
    }

    /**
     * Sets the replacement string for question marks in URLs.
     *
     * @param questionStr the question mark replacement string to set
     */

    private char replacement;

    public ProlongedSoundMarkCharFilterFactory(final IndexSettings indexSettings, final Environment env, final String name,
            final Settings settings) {
        super(indexSettings, name);
        final String value = settings.get("replacement");
        if (value == null || value.length() == 0) {
            replacement = '\u30fc';
        } else {

      if (matches(c)) {
        if (c == replacement && (i == len - 1 || !matches(sequence.charAt(i + 1)))) {
          // a no-op replacement
          i++;
        } else {
          StringBuilder builder = new StringBuilder(len).append(sequence, 0, i).append(replacement);
          return finishCollapseFrom(sequence, i + 1, len, replacement, builder, true);
        }
      }
    }

      assertEqualsSame(expected, in, isNot('x').collapseFrom(in, replacement));
      assertEqualsSame(expected, in, is('x').negate().collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-").collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-#").collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-#123").collapseFrom(in, replacement));
    }
  }

      assertEqualsSame(expected, in, isNot('x').collapseFrom(in, replacement));
      assertEqualsSame(expected, in, is('x').negate().collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-").collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-#").collapseFrom(in, replacement));
      assertEqualsSame(expected, in, anyOf("-#123").collapseFrom(in, replacement));
    }
  }

        if (matcher.find()) {
            if (pathMapperFunc == null) {
                final String replacement = StringUtil.isNotBlank(getReplacement()) ? getReplacement() : StringUtil.EMPTY;
                pathMapperFunc = pathMappingHelper.createPathMatcher(matcher, replacement);
            }
            try {
                return pathMapperFunc.apply(input, matcher);
            } catch (final Exception e) {

                                    <label for="replacement" class="col-sm-3 text-sm-right col-form-label"><la:message
                                            key="labels.replacement"/></label>
                                    <div class="col-sm-9">
                                        <la:errors property="replacement"/>
                                        <la:text styleId="replacement" property="replacement"

    private void fireEvent(int event, List<ResolutionListener> listeners, ResolutionNode node, Artifact replacement) {
        fireEvent(event, listeners, node, replacement, null);
    }

    private void fireEvent(
            int event,
            List<ResolutionListener> listeners,
            ResolutionNode node,
            Artifact replacement,
            VersionRange newRange) {
        for (ResolutionListener listener : listeners) {

    public void setReplacement_Equal(String replacement) {
        setReplacement_Term(replacement, null);
    }

    public void setReplacement_Equal(String replacement, ConditionOptionCall<TermQueryBuilder> opLambda) {
        setReplacement_Term(replacement, opLambda);
    }

    public void setReplacement_Term(String replacement) {
        setReplacement_Term(replacement, null);
    }