code: private static String camelCaseToSentenceCase(String camelCase) {
          String name = StringUtils.join(StringUtils.splitByCharacterTypeCamelCase(camelCase), " ");
          return name.substring(0, 1).toUpperCase(Locale.ENGLISH) + name.substring(1)
                  .toLowerCase(Locale.ENGLISH);
      }
docs: Converts "aCamelCaseString" into "A sentence case string".
  
  @param camelCase camelCase.
  @return Sentence case.