val calls = connection.calls
    val index = calls.indexOfFirst { it.get() == this@RealCall }
    check(index != -1)

    calls.removeAt(index)
    this.connection = null

    if (calls.isEmpty()) {
      connection.idleAtNs = System.nanoTime()
      if (connectionPool.connectionBecameIdle(connection)) {
        return connection.socket()
      }
    }

    return null
  }

            } catch (Exception e) {
                log.debug("Error disconnecting unhealthy transport: {}", e.getMessage());
            }
        }

        if (!unhealthy.isEmpty()) {
            log.info("Removed {} unhealthy connections from pool", unhealthy.size());
        }

        // Perform maintenance tasks
        performMaintenanceTasks();
    }

    /**

                    list.clear();
                }
                list.add(matcher.group(2));
            } else {
                list.add(line);
            }
        }
        if (lineNum == 0 || list.isEmpty()) {
            return "<pre class=\"" + style + "\">" + input + "</pre>";
        }
        int lastIndex = list.size();
        if (list.get(list.size() - 1).endsWith("...")) {
            lastIndex--;
        }

    assertThrows(IllegalArgumentException.class, () -> Chars.ensureCapacity(ARRAY1, 1, -1));
  }

  public void testJoin() {
    assertThat(Chars.join(",", EMPTY)).isEmpty();
    assertThat(Chars.join(",", '1')).isEqualTo("1");
    assertThat(Chars.join(",", '1', '2')).isEqualTo("1,2");
    assertThat(Chars.join("", '1', '2', '3')).isEqualTo("123");
  }

     * that could call it, nor exposed this Future for users to call cancel() on).
     */
    requireNonNull(futures);

    // Corner case: List is empty.
    if (futures.isEmpty()) {
      handleAllCompleted();
      return;
    }

    // NOTE: If we ever want to use a custom executor here, have a look at CombinedFuture as we'll
    // need to handle RejectedExecutionException

      }
    } else {
      keys[dstIndex] = null;
      values[dstIndex] = null;
      entries[dstIndex] = 0;
    }
  }

  int firstEntryIndex() {
    return isEmpty() ? -1 : 0;
  }

  int getSuccessor(int entryIndex) {
    return (entryIndex + 1 < size) ? entryIndex + 1 : -1;
  }

  /**

						}
						hostIPCache[host] = hostIPSet
					}
				}
				if IPSet, ok := pathIPMap[endpoint.Path]; ok {
					if !IPSet.Intersection(hostIPSet).IsEmpty() {
						return nil, setupType,
							config.ErrInvalidErasureEndpoints(nil).Msg(fmt.Sprintf("same path '%s' can not be served by different port on same address", endpoint.Path))
					}

        if (queryContext.roleQueryEnabled()) {
            final Set<String> roleSet = ComponentUtil.getRoleQueryHelper().build(searchRequestType);
            if (!roleSet.isEmpty()) {
                queryContext.addQuery(boolQuery -> buildRoleQuery(roleSet, boolQuery));
            }
        }
    }

    /**
     * Builds role-based query filters using the provided role set.

            throws SAXException {
        if (logger.isDebugEnabled()) {
            logger.debug("Start element: name={}", qName);
        }
        if (tagQueue.isEmpty() && !"eef".equalsIgnoreCase(qName)) {
            throw new GsaConfigException("Invalid GSA configuration format. Root element must be 'eef', but found: " + qName);
        }

                                    Collections.addAll(list, values);
                                }
                            }
                        }
                        if (!list.isEmpty()) {
                            content = list.stream().filter(StringUtil::isNotBlank).collect(Collectors.joining(" "));
                        }
                    }