docs: public final boolean ifContains(final String pName) {
      for (String key : integersMap.keySet()) {
        if (key.equals(pName)) {
          return true;
        }
      }
      for (String key : longsMap.keySet()) {
        if (key.equals(pName)) {
          return true;
        }
      }
      for (String key : floatsMap.keySet()) {
        if (key.equals(pName)) {
          return true;
        }
      }
      for (String key : doublesMap.keySet()) {
        if (key.equals(pName)) {
          return true;
        }
      }
      for (String key : stringsMap.keySet()) {
        if (key.equals(pName)) {
          return true;
        }
      }
      return false;
    }