code: public static Boolean convertBoolean(Object target) {
          if (target instanceof JsonNode) {
              return convertBoolean((JsonNode) target);
          }
          return target instanceof Boolean ? (Boolean) target
                  : target instanceof String ? Boolean.parseBoolean(target.toString())
                          : Boolean.FALSE;
      }
docs: Convert a target object to {@link Boolean}.
  
  <p>
  Nullable: this method does not return {@code null}. If {@code target} can not be converted to
  {@Link Boolean}, {@code false} is returned.
  </p>
  
  @param target
  @return