docs: public UpdateHealthCheckRequest withChildHealthChecks(String... childHealthChecks) {
          if (this.childHealthChecks == null) {
              setChildHealthChecks(new com.amazonaws.internal.SdkInternalList<String>(childHealthChecks.length));
          }
          for (String ele : childHealthChecks) {
              this.childHealthChecks.add(ele);
          }
          return this;
      }