docs: public CertificateDetail withKeyUsages(KeyUsage... keyUsages) {
          if (this.keyUsages == null) {
              setKeyUsages(new java.util.ArrayList<KeyUsage>(keyUsages.length));
          }
          for (KeyUsage ele : keyUsages) {
              this.keyUsages.add(ele);
          }
          return this;
      }