/**
     * Returns the extension of the path.
     *
     * @param path
     *            The path. Must not be {@literal null}.
     * @return The extension.
     */
    public static String getExtension(final String path) {
        assertArgumentNotNull("path", path);

        final int extPos = path.lastIndexOf(".");
        if (extPos >= 0) {
            return path.substring(extPos + 1);
        }

      <codeSegments>
        <codeSegment>
          <version>4.0.0+</version>
          <code>
            <![CDATA[
    public boolean isExtensions() {
        return (getExtensions() != null) ? Boolean.parseBoolean(getExtensions()) : false;
    }
            ]]>
          </code>
        </codeSegment>
        <codeSegment>
          <version>4.0.0/4.0.99</version>
          <code>