if (handshakeComplete) {
            return;
        }
        doHandshake();
        handshakeComplete = true;
    }

    @Override
    public URL getURL() {
        return connection.getURL();
    }

    @Override
    public int getContentLength() {
        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getContentLength();
    }

        return s -> {
            for (UnaryOperator<String> function : functions) {
                String v = function.apply(s);
                if (v != null) {
                    return v;
                }
            }
            return null;
        };
    }

    @SafeVarargs

    @Override
    public boolean storedInGroupDirectory() {
        return false;
    }

    @Override
    public boolean storedInArtifactVersionDirectory() {
        return false;
    }

    @Override
    public String getGroupId() {
        return artifact.getGroupId();
    }

    @Override
    public String getArtifactId() {
        return artifact.getArtifactId();
    }

    @Override

func etcdErrToErr(err error, etcdEndpoints []string) error {
	if err == nil {
		return nil
	}
	switch err {
	case context.DeadlineExceeded:
		return fmt.Errorf("%w %s", errEtcdUnreachable, etcdEndpoints)
	default:
		return fmt.Errorf("unexpected error %w from etcd, please check your endpoints %s", err, etcdEndpoints)
	}
}

		return hh
	default:
		logger.CriticalIf(GlobalContext, errors.New("Unsupported bitrot algorithm"))
		return nil
	}
}

// Available reports whether the given algorithm is available.
func (a BitrotAlgorithm) Available() bool {
	_, ok := bitrotAlgorithms[a]
	return ok
}

// String returns the string identifier for a given bitrot algorithm.

      }

      EndpointPair<?> other = (EndpointPair<?>) obj;
      if (isOrdered() != other.isOrdered()) {
        return false;
      }

      return source().equals(other.source()) && target().equals(other.target());
    }

    @Override
    public int hashCode() {
      return Objects.hash(source(), target());
    }

    @Override
    public String toString() {

	err := val.Decode(&tmp)
	if err != nil {
		return err
	}
	*kv = BatchJobKV(tmp)
	kv.line, kv.col = val.Line, val.Column
	return nil
}

// Validate returns an error if key is empty
func (kv BatchJobKV) Validate() error {
	if kv.Key == "" {
		return BatchJobYamlErr{
			line: kv.line,
			col:  kv.col,
			msg:  "key can't be empty",
		}
	}
	return nil
}

// Empty indicates if kv is not set

                this.binder.bind(k).toProvider(new BridgeProvider<>(binding));
            }
            return this;
        }

        @SuppressWarnings("unchecked")
        private static <U> com.google.inject.Key<U> toGuiceKey(Key<U> key) {
            if (key.getQualifier() instanceof String s) {
                return (com.google.inject.Key<U>) com.google.inject.Key.get(key.getType(), Names.named(s));

					if err != nil {
						return err
					}
				}
			}
		}
	}
	if found == 0 {
		return errFileNotFound
	}
	return nil
}

// Return the disks belonging to the poolIdx, and setIdx.
func (z *erasureServerPools) GetDisks(poolIdx, setIdx int) ([]StorageAPI, error) {
	if poolIdx < len(z.serverPools) && setIdx < len(z.serverPools[poolIdx].sets) {

        return false;
      }
      if ((i > 2) && (compareElements(getGrandparentIndex(i), i) > 0)) {
        return false;
      }
      return true;
    }

    // These would be static if inner classes could have static members.

    private int getLeftChildIndex(int i) {
      return i * 2 + 1;
    }

    private int getRightChildIndex(int i) {
      return i * 2 + 2;
    }