*
         * @param spaceChars an array of integers representing space characters
         * @return the current instance of TextNormalizeContext for method chaining
         */
        public TextNormalizeContext spaceChars(final int[] spaceChars) {
            this.spaceChars = spaceChars;
            return this;
        }
    }

    /**

        if (title == null) {
            return StringUtil.EMPTY; // empty
        }

        final int[] spaceChars = getSpaceChars();
        try (final Reader reader = new StringReader(title)) {
            return TextUtil.normalizeText(reader).initialCapacity(title.length()).spaceChars(spaceChars).execute();
        } catch (final IOException e) {
            return StringUtil.EMPTY; // empty
        }
    }

        this.maxSymbolTermSize = maxSymbolTermSize;
    }

    /**
     * Sets the space characters.
     * @param spaceChars The space characters.
     */
    public void setSpaceChars(final int[] spaceChars) {
        this.spaceChars = spaceChars;
    }

    /**
     * Sets the Tika configuration.
     * @param tikaConfig The Tika config.
     */

                final int length = spaceStr.length();
                spaceChars = new int[length];
                for (int i = 0; i < length; i++) {
                    spaceChars[i] = spaceStr.codePointAt(i);
                }
            }
            propMap.put(key, spaceChars);
        }
        return spaceChars;
    }

    String getCrawlerDocumentFullstopChars();

            ci++;
            do {
                if (si == length) {
                    final int n = 16 - s;
                    System.arraycopy(SPACE_CHARS, 0, c, ci, n * 3);
                    ci += n * 3;
                    System.arraycopy(SPACE_CHARS, 0, d, s, n);
                    break;
                }
                c[ci++] = ' ';
                i = src[srcIndex + si] & 0xFF;