docs: public static String ltrim(String pString) {
          if ((pString == null) || (pString.length() == 0)) {
              return pString;// Null or empty string
          }
          for (int i = 0; i < pString.length(); i++) {
              if (!Character.isWhitespace(pString.charAt(i))) {
                  if (i == 0) {
                      return pString;// First char is not whitespace
                  }
                  else {
                      return pString.substring(i);// Return rest after whitespace
                  }
              }
          }
  
          // If all whitespace, return empty string
          return "";
      }