  A location (character range) within a file.
    </p>
    <object>
      <field name="file">
        <ref>FilePath</ref>
        <p>
          The file containing the range.
        </p>
      </field>
      <field name="offset">
        <ref>int</ref>
        <p>
          The offset of the range.
        </p>
      </field>
      <field name="length">
        <ref>int</ref>
        <p>
          The length of the range.
        </p>
      </field>
      <field name="startLine">
        <ref>int</ref>
   