public Builder withBase64HdfsSite(String encodedHdfsSite) {
      this.hdfsSite =
          StringUtils.isBlank(encodedHdfsSite) ? null : Base64.getDecoder().decode(encodedHdfsSite);
      return this;
    }
Login with configured catalog user and create a proxy user ugi. Then the operations are
performed within the doAs method of this proxy user ugi.
amoro-common/src/main/java/org/apache/amoro/table/TableMetaStore.java