private Method getSetMethod(Method getMethod, Class<?> enumType) throws NoSuchMethodException {
    String methodName = getMethod.getName().replaceFirst("get", "set");
    return ColumnFamilyDescriptorBuilder.class.getMethod(methodName, enumType);
  }
Testcase for HBASE-21732. Make sure that all enum configurations can accept lower case value.
hbase-client/src/test/java/org/apache/hadoop/hbase/client/TestColumnFamilyDescriptorLowerCaseEnum.java