}
  }

  /**
   * Returns the result of the input {@code Future}, which must have already completed.
   *
   * <p>The benefits of this method are twofold. First, the name "getDone" suggests to readers that
   * the {@code Future} is already done. Second, if buggy code calls {@code getDone} on a {@code
   * Future} that is still pending, the program will throw instead of block. This can be important

This document explains the design approach of server side bucket replication. If you're looking to get started with replication, we suggest you go through the [Bucket replication guide](https://github.com/minio/minio/blob/master/docs/bucket/replication/README.md) first.

## Overview

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With this in mind, Ztunnel supports two xDS resources: `Address` and `Authorization`.

### Address Type

The primary configuration consumed by Ztunnel is the [`Address` resource](../../pkg/workloadapi/workload.proto).
As the name suggests, an `Address` represents a particular IP Address.
This can be a `Service` or a `Workload`.

The address type has the following goals:
* It should support (but not require) on-demand lookups.

                    ((SmbComTransactionResponse)resp).nextElement();
                }
            }

            /* Verification fails (w/ W2K3 server at least) if status is not 0. This
             * suggests MS doesn't compute the signature (correctly) for error responses
             * (perhaps for DOS reasons).
             */
            if (digest != null && resp.errorCode == 0) {

    String leading = ",a,b,c";
    Iterable<String> letters = Splitter.onPattern(",").split(leading);
    assertThat(letters).containsExactly("", "a", "b", "c").inOrder();
  }

  // TODO(kevinb): the name of this method suggests it might not actually be testing what it
  // intends to be testing?
  @GwtIncompatible // Splitter.onPattern
  public void testPatternSplitWithMultipleLetters() {
    Iterable<String> testPatterningMotto =

    return x > 0 & (x & (x - 1)) == 0;
  }

  /**
   * Returns 1 if {@code x < y} as unsigned longs, and 0 otherwise. Assumes that x - y fits into a
   * signed long. The implementation is branch-free, and benchmarks suggest it is measurably faster
   * than the straightforward ternary expression.
   */
  @VisibleForTesting
  static int lessThanBranchFree(long x, long y) {
    // Returns the sign bit of x - y.

    double[] toDoubleArray() {
      return Arrays.copyOfRange(array, start, end);
    }

    private static final long serialVersionUID = 0;
  }

  /**
   * This is adapted from the regex suggested by {@link Double#valueOf(String)} for prevalidating
   * inputs. All valid inputs must pass this regex, but it's semantically fine if not all inputs

    return x > 0 & (x & (x - 1)) == 0;
  }

  /**
   * Returns 1 if {@code x < y} as unsigned longs, and 0 otherwise. Assumes that x - y fits into a
   * signed long. The implementation is branch-free, and benchmarks suggest it is measurably faster
   * than the straightforward ternary expression.
   */
  @VisibleForTesting
  static int lessThanBranchFree(long x, long y) {
    // Returns the sign bit of x - y.

     */
    @Override
    public boolean verifySignature ( byte[] buffer, int i, int size ) {
        /*
         * Verification fails (w/ W2K3 server at least) if status is not 0. This
         * suggests MS doesn't compute the signature (correctly) for error responses
         * (perhaps for DOS reasons).
         */
        /*
         * Looks like the failure case also is just reflecting back the signature we sent