docs: public static LoggingAdvisingAppendable stringCoercing(LoggingAdvisingAppendable delegate) {
      return new ForwardingLoggingAdvisingAppendable(delegate) {
        @Override
        protected void notifyContentDirectionality(@Nullable Dir contentDir) {}
  
        @Override
        public LoggingAdvisingAppendable enterLoggableElement(LogStatement statement) {
          return this;
        }
  
        @Override
        public LoggingAdvisingAppendable exitLoggableElement() {
          return this;
        }
  
        @Override
        public LoggingAdvisingAppendable appendLoggingFunctionInvocation(
            LoggingFunctionInvocation funCall, ImmutableList<Function<String, String>> escapers)
            throws IOException {
          return append(escapePlaceholder(funCall.placeholderValue(), escapers));
        }
      };
    }