How to use

getPrefixes

method

in

com.helger.xml.namespace.MapBasedNamespaceContext

 @Nonnull
 @DevelopersNote ("Java 8: Iterator; Java 10: Iterator<String>")
 public Iterator getPrefixes (@Nonnull final String sNamespaceURI)
 {
  return m_aCtx.getPrefixes (sNamespaceURI);
 }
}

 @Nonnull
 @DevelopersNote ("Java 8: Iterator; Java 10: Iterator<String>")
 public Iterator getPrefixes (@Nonnull final String sNamespaceURI)
 {
  return m_aCtx.getPrefixes (sNamespaceURI);
 }
}

@Override
@Nonnull
public Iterator getPrefixes (@Nonnull final String uri)
{
 final Iterator <?> aIter1 = m_aInternalContext.getPrefixes (uri);
 if (m_aUserContext == null)
  return aIter1;
 final Iterator <?> aIter2 = m_aUserContext.getPrefixes (uri);
 return new CombinedIterator <> (aIter1, aIter2);
}