code: @Nonnull
    public final XMLWriterSettings setSerializeXMLDeclaration (@Nonnull final EXMLSerializeXMLDeclaration eSerializeXMLDecl)
    {
      m_eSerializeXMLDecl = ValueEnforcer.notNull (eSerializeXMLDecl, "SerializeXMLDecl");
      return this;
    }
docs: Set the way how to handle the XML declaration.
  
  @param eSerializeXMLDecl
  XML declaration handling. May not be <code>null</code>.
  @return this