docs: public IdentityDkimAttributes withDkimTokens(String... dkimTokens) {
          if (this.dkimTokens == null) {
              setDkimTokens(new com.amazonaws.internal.SdkInternalList<String>(dkimTokens.length));
          }
          for (String ele : dkimTokens) {
              this.dkimTokens.add(ele);
          }
          return this;
      }