code: //non-compiled with javac: Compilable with Java14
  package com.puppycrawl.tools.checkstyle.grammar.java14;
  
  public class InputJava14EscapedS {
  
      public static void main(String[] args) {
          String s1 = "\s";
          String s2 = """
              \s""";
          String s3 = "\t\n\n\n\\n\s\s";
          String s4 = """
              \t\s\t\n\\n\t\s\s\s\s""";
          String s5 = """
              \n\s\s""" + """
              \s\s\n""" +"\s";
      }
  
      static void test2() {
          if ('\s' != ' ') {
              throw new RuntimeException("Failed character escape-S");
          }
          assert("\s".equals(" "));
          assert("""
             \s
             """.equals(" \n"));
      }
  }
  