docs: public static boolean codeAwareEqualsIgnoreSpaces(String in1, String in2) {
          if ( in1 == null || in2 == null ) {
              return in1 == null && in2 == null;
          }
          if ( in1.isEmpty() && in2.isEmpty() ) {
              return true;
          }
          
          if ( in1.length() == 0 ) {
              in1 = " ";
          }
          if ( in2.length() == 0 ) {
              in2 = " ";
          }
          
          int idx1 = 0; Character quoted1 = null;
          int idx2 = 0; Character quoted2 = null;
          boolean equals = true;
          while ( equals  ) {
  
              while ( idx1 < (in1.length()) && (quoted1==null) && isWhitespace(in1.charAt(idx1)) ) {
                  idx1++;
              }
              while ( idx2 < (in2.length()) && (quoted2==null) && isWhitespace(in2.charAt(idx2)) ) {
                  idx2++;
              }
              
              if ( idx1 >= in1.length() || idx2 >= in2.length() ) {
                  // considered equals if equals check succeeded and both indexes reached end of respective string.
                  equals = equals && idx1 == in1.length() && idx2 == in2.length();
                  break;
              }
              
              if ( in1.charAt(idx1) == '"' || in1.charAt(idx1) == '\'' ) {
                  if ( quoted1 == null ) {
                      quoted1 = in1.charAt(idx1);
                  } else if ( quoted1 != null && quoted1.equals( in1.charAt(idx1) ) ) {
                      if ( in1.charAt(idx1-1) != '\\' ) {
                          quoted1 = null;
                      }
                  }
                  
              }
              if ( in2.charAt(idx2) == '"' || in2.charAt(idx2) == '\'' ) {
                  if ( quoted2 == null ) {
                      quoted2 = in2.charAt(idx2);
                  } else if ( quoted2 != null && quoted2.equals( in2.charAt(idx2) ) ) {
                      if ( in2.charAt(idx2-1) != '\\' ) {
                          quoted2 = null;
                      }
                  }
                  
              }
  
              equals &= in1.charAt(idx1) == in2.charAt(idx2);
              idx1++;
              idx2++;
          }
          return equals;
      }