bug(#247): fix all qulice suggestions

src/main/java/com/jcabi/xml/XMLDocument.java

@@ -115,6 +115,9 @@ public final class XMLDocument implements XML {
  */
  private final transient Node cache;
 
+ /**
+ * Transformer factory to use for {@link #toString()}.
+ */
  private final transient TransformerFactory tfactory;
 
  static {
@@ -157,7 +160,6 @@ public XMLDocument(final String text) {
  );
  }
 
-
  /**
  * Public ctor, from XML as a text.
  *
@@ -177,7 +179,7 @@ public XMLDocument(final String text) {
  * @param text XML document body
  * @param factory Transformer factory
  */
- public XMLDocument(final String text, TransformerFactory factory) {
+ public XMLDocument(final String text, final TransformerFactory factory) {
  this(
  new DomParser(XMLDocument.DFACTORY, text).document(),
  new XPathContext(),
@@ -346,6 +348,14 @@ private XMLDocument(
  this(node, ctx, lfe, XMLDocument.TFACTORY);
  }
 
+ /**
+ * Private ctor.
+ * @param cache The source
+ * @param context Namespace context
+ * @param leaf Is it a leaf node?
+ * @param tfactory Transformer factory
+ * @checkstyle ParameterNumberCheck (5 lines)
+ */
  public XMLDocument(
  final Node cache,
  final XPathContext context,

src/test/java/com/jcabi/xml/XMLDocumentTest.java

@@ -393,13 +393,13 @@ void comparesDocumentsWithDifferentIndentations() {
  // different indentations. Don't forget to remove the @Disabled annotation from this test.
  final TransformerFactory factory = TransformerFactory.newInstance(
  "com.sun.org.apache.xalan.internal.xsltc.trax.TransformerFactoryImpl",
- this.getClass().getClassLoader()
+ Thread.currentThread().getContextClassLoader()
  );
  MatcherAssert.assertThat(
  "Different indentations should be ignored",
- new XMLDocument("<program>\n  <indentation/>\n</program>", factory),
+ new XMLDocument("<program>\n <indentation/>\n</program>", factory),
  Matchers.equalTo(
- new XMLDocument("<program>\n  <indentation/>\n</program>\n", factory)
+ new XMLDocument("<program>\n <indentation/>\n</program>\n", factory)
  )
  );
  }