this.fieldSeparator = fieldSeparator;
    }

    /**
     * Sets the line separator for text output.
     *
     * @param lineSeparator the line separator
     */
    public void setLineSeparator(final String lineSeparator) {
        this.lineSeparator = lineSeparator;
    }

    /**
     * Sets the separator for header-value association in text output.
     *

        this.fieldSeparator = fieldSeparator;
    }

    /**
     * Sets the line separator between fields.
     *
     * @param lineSeparator the line separator
     */
    public void setLineSeparator(final String lineSeparator) {
        this.lineSeparator = lineSeparator;
    }

    /**
     * Sets whether to extract top-level fields as metadata.
     *