code: private static void handleLiteralChar(final StringBuilder buffer, final int escapeCounter, final char curChar) {
          // any other char beside ESCAPE or DELIM_START/STOP-combo
          // write unescaped escape chars
          writeUnescapedEscapeChars(escapeCounter, buffer);
          buffer.append(curChar);
      }
docs: 16 bytes (allows immediate JVM inlining: < 35 bytes) LOG4J2-1096