if (o.isEmpty()) {
            throw new IllegalArgumentException("No options specified (or all were null)");
        } else if (o.size() == 1) {
            return o.get(0);
        } else {
            return new LayeredMavenOptions<>(o);
        }
    }

    protected LayeredMavenOptions(List<O> options) {
        super(options);
    }

    @Override

__init__() {
	if which curl &>/dev/null; then
		echo "curl is already installed"
	else
		echo "Installing curl:"
		sudo apt install curl -y
	fi

	export GOPATH=/tmp/gopath
	export PATH="${PATH}":"${GOPATH}"/bin

	if which mc &>/dev/null; then
		echo "mc is already installed"
	else
		echo "Installing mc:"
		go install github.com/minio/mc@latest
	fi

            ToolchainModel dominantModel = merged.get(key);
            if (dominantModel == null) {
                recessiveModel.setSourceLevel(recessiveSourceLevel);
                dominant.add(recessiveModel);
            } else {
                mergeToolchainModelConfiguration(dominantModel, recessiveModel);
            }
        }
    }

    protected void mergeToolchainModelConfiguration(ToolchainModel target, ToolchainModel source) {

				return ep, fmt.Errorf("invalid URL endpoint format: %w", err)
			}

			host = u.Host
		} else {
			var p int
			p, err = strconv.Atoi(port)
			if err != nil {
				return ep, fmt.Errorf("invalid URL endpoint format: invalid port number")
			} else if p < 1 || p > 65535 {
				return ep, fmt.Errorf("invalid URL endpoint format: port number must be between 1 to 65535")
			}
		}

  startIndex: Int = 0,
  endIndex: Int = length,
): Int {
  for (i in startIndex until endIndex) {
    when (this[i]) {
      '\t', '\n', '\u000C', '\r', ' ' -> Unit
      else -> return i
    }
  }
  return endIndex
}

/**
 * Decrements [endIndex] until `input[endIndex - 1]` is not ASCII whitespace. Stops at [startIndex].
 */

        if (StringUtil.isBlank(virtualHostKey)) {
            labelList =
                    labelTypeItemList.stream().filter(item -> matchLocale(requestLocale, item.getLocale())).collect(Collectors.toList());
        } else {
            labelList = labelTypeItemList.stream()
                    .filter(item -> matchLocale(requestLocale, item.getLocale()) && virtualHostKey.equals(item.getVirtualHost()))

          cookies.addAll(decodeHeaderAsJavaNetCookies(url, header))
        }
      }
    }

    return if (cookies != null) {
      Collections.unmodifiableList(cookies)
    } else {
      emptyList()
    }
  }

  /**
   * Convert a request header to OkHttp's cookies via [HttpCookie]. That extra step handles
   * multiple cookies in a single request header, which [Cookie.parse] doesn't support.

				values = append(values, fmt.Sprintf("OU=%s", name.Value))
			default:
				values = append(values, fmt.Sprintf("UnknownOID=%s", name.Type.String()))
			}
		} else if oid.Equal(oidEmailAddress) {
			values = append(values, fmt.Sprintf("emailAddress=%s", name.Value))
		} else {
			values = append(values, fmt.Sprintf("UnknownOID=%s", name.Type.String()))
		}
	}
	if len(values) > 0 {
		buf.WriteString(values[0])

        if (done) {
          System.out.println("completed");
        } else {
          if (firstUpdate) {
            firstUpdate = false;
            if (contentLength == -1) {
              System.out.println("content-length: unknown");
            } else {
              System.out.format("content-length: %d\n", contentLength);
            }
          }

			if !isAttach && sys.LDAPConfig.IsLDAPUserDN(r.User) {
				dn = sys.LDAPConfig.QuickNormalizeDN(r.User)
			} else {
				err = errNoSuchUser
				return updatedAt, addedOrRemoved, effectivePolicies, err
			}
		} else {
			dn = dnResult.NormDN
		}
		isGroup = false
	} else {
		var underBaseDN bool
		if dnResult, underBaseDN, err = sys.LDAPConfig.GetValidatedGroupDN(nil, r.Group); err != nil {