code: @Nullable
    public static CSSDeclarationList readFromReader (@Nonnull @WillClose final Reader aReader,
                                                     @Nonnull final ECSSVersion eVersion,
                                                     @Nullable final ICSSParseErrorHandler aCustomErrorHandler,
                                                     @Nullable final ICSSParseExceptionCallback aCustomExceptionHandler)
    {
      return readFromReader (aReader,
                             new CSSReaderSettings ().setCSSVersion (eVersion)
                                                     .setCustomErrorHandler (aCustomErrorHandler)
                                                     .setCustomExceptionHandler (aCustomExceptionHandler));
    }
docs: Read the CSS from the passed {@link Reader}.
  
  @param aReader
  The reader to use. Will be closed automatically after reading -
  independent of success or error. May not be <code>null</code>.
  @param eVersion
  The CSS version to use. May not be <code>null</code>.
  @param aCustomErrorHandler
  An optional custom error handler that can be used to collect the
  recoverable parsing errors. May be <code>null</code>.
  @param aCustomExceptionHandler
  An optional custom exception handler that can be used to collect the
  unrecoverable parsing errors. May be <code>null</code>.
  @return <code>null</code> if reading failed, the CSS declarations
  otherwise.