<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:import href="xml2json.xslt"/>
  <xsl:output indent="no" omit-xml-declaration="yes" method="text" encoding="UTF-8" media-type="application/json"/>
  <xsl:strip-space elements="*"/>

  <!-- override imported transform variable to enable output -->
  <xsl:variable name="output">true</xsl:variable>

  <!-- hide certain nodes from all sources -->
  <xsl:template match="icestats/source/max_listeners"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/source/public"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/source/source_ip"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/source/slow_listeners"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/source/*[contains(name(), 'total_bytes')]"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/source/user_agent"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>

  <!-- hide certain global nodes -->
  <xsl:template match="icestats/sources"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/clients"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/stats"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="icestats/listeners"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>
  <xsl:template match="node()[contains(name(), 'connections')]"><xsl:if test="not(following-sibling::*)">"dummy":null}</xsl:if></xsl:template>

  <!-- handle title field correctly -->
  <xsl:template match="icestats/source/title">
    <xsl:choose>
      <xsl:when test="normalize-space(.) = ''">"title":null</xsl:when>
      <xsl:otherwise>"title":"<xsl:value-of select="normalize-space(.)"/>",</xsl:otherwise>
    </xsl:choose>
  </xsl:template>

  <!-- handle other fields similarly if needed -->
  <!-- Add more specific field handling as required -->
</xsl:stylesheet>