docs: public static String removeEscapeChars( String origKey ) {
          StringBuilder sb = new StringBuilder();
  
          boolean prevWasEscape = false;
          for ( char c : origKey.toCharArray() ) {
              if ( '\\' == c ) {
                  if ( prevWasEscape ) {
                      sb.append( c );
                      prevWasEscape = false;
                  }
                  else {
                      prevWasEscape = true;
                  }
              }
              else {
                  sb.append( c );
                  prevWasEscape = false;
              }
          }
  
          return sb.toString();
      }