### Question:
SAXReader { @Nonnull public static ESuccess readXMLSAX (@Nonnull final File aFile, @Nonnull final ISAXReaderSettings aSettings) { return readXMLSAX (InputSourceFactory.create (aFile), aSettings); } private  SAXReader(); @Nonnull static ESuccess readXMLSAX(@Nonnull final File aFile, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final URI aURI, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final URL aURL, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final IHasInputStream aISP, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final IReadableResource aResource, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final CharSequence aXML, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final String sXML, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final char [] aXML, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final char [] aXML,
                                     @Nonnegative final int nOfs,
                                     @Nonnegative final int nLen,
                                     @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final byte [] aXML, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final byte [] aXML,
                                     @Nonnegative final int nOfs,
                                     @Nonnegative final int nLen,
                                     @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull final ByteBuffer aXML, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull @WillClose final InputStream aIS, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@Nonnull @WillClose final Reader aReader, @Nonnull final ISAXReaderSettings aSettings); @Nonnull static ESuccess readXMLSAX(@WillClose @Nonnull final InputSource aIS, @Nonnull final ISAXReaderSettings aSettings);  }### Answer:
@Test public void testMultithreadedSAX_CachingSAXInputSource () { CommonsTestHelper.testInParallel (1000, (IThrowingRunnable <SAXException>) () -> assertTrue (SAXReader.readXMLSAX (new CachingSAXInputSource (new ClassPathResource ("xml/buildinfo.xml")), new SAXReaderSettings ().setContentHandler (new DefaultHandler ())) .isSuccess ())); }
@Test public void testMultithreadedSAX_ReadableResourceSAXInputSource () { CommonsTestHelper.testInParallel (1000, (IThrowingRunnable <SAXException>) () -> assertTrue (SAXReader.readXMLSAX (new ClassPathResource ("xml/buildinfo.xml"), new SAXReaderSettings ().setContentHandler (new DefaultHandler ())) .isSuccess ())); }