* Sets the maximum size for symbol terms.
         *
         * @param maxSymbolTermSize the maximum size for symbol terms
         * @return the current instance of TextNormalizeContext
         */
        public TextNormalizeContext maxSymbolTermSize(final int maxSymbolTermSize) {
            this.maxSymbolTermSize = maxSymbolTermSize;
            return this;
        }

        /**

            final int maxSymbolTermSize, final boolean removeDuplication) {
        return new TextNormalizeContext(reader).initialCapacity(initialCapacity)
                .maxAlphanumTermSize(maxAlphanumTermSize)
                .maxSymbolTermSize(maxSymbolTermSize)
                .duplicateTermRemoved(removeDuplication)
                .execute();
    }

    }

    /**
     * Sets the maximum size of a symbol term.
     * @param maxSymbolTermSize The max size of a symbol term.
     */
    public void setMaxSymbolTermSize(final int maxSymbolTermSize) {
        this.maxSymbolTermSize = maxSymbolTermSize;
    }

    /**
     * Sets the space characters.
     * @param spaceChars The space characters.
     */

                    .initialCapacity(content.length())
                    .maxAlphanumTermSize(maxAlphanumTermSize)
                    .maxSymbolTermSize(maxSymbolTermSize)
                    .duplicateTermRemoved(duplicateTermRemoved)
                    .spaceChars(spaceChars)
                    .execute();
        } catch (final IOException e) {
            return StringUtil.EMPTY; // empty
        }