}
			a.Reg = arm64.REG_SXTH + Rnum
		case "SXTW":
			if a.Type == obj.TYPE_MEM {
				a.Index = arm64.REG_SXTW + Rnum
			} else {
				a.Reg = arm64.REG_SXTW + Rnum
			}
		case "SXTX":
			if a.Type == obj.TYPE_MEM {
				a.Index = arm64.REG_SXTX + Rnum
			} else {
				a.Reg = arm64.REG_SXTX + Rnum
			}
		case "LSL":
			a.Index = arm64.REG_LSL + Rnum
		default:

      "Unexpected char 0x${c.charCode()} at $i in $name value" +
        (if (isSensitiveHeader(name)) "" else ": $value")
    }
  }
}

private fun Char.charCode() =
  code.toString(16).let {
    if (it.length < 2) {
      "0$it"
    } else {
      it
    }
  }

internal fun commonHeadersOf(vararg inputNamesAndValues: String): Headers {

  }

  @Override
  public Collection<V> get(@ParametricNullness K key) {
    if (keyPredicate.apply(key)) {
      return unfiltered.get(key);
    } else if (unfiltered instanceof SetMultimap) {
      return new AddRejectingSet<>(key);
    } else {
      return new AddRejectingList<>(key);
    }
  }

  private static final class AddRejectingSet<K extends @Nullable Object, V extends @Nullable Object>

  }

  @Override
  public Collection<V> get(@ParametricNullness K key) {
    if (keyPredicate.apply(key)) {
      return unfiltered.get(key);
    } else if (unfiltered instanceof SetMultimap) {
      return new AddRejectingSet<>(key);
    } else {
      return new AddRejectingList<>(key);
    }
  }

  private static final class AddRejectingSet<K extends @Nullable Object, V extends @Nullable Object>

    checkNotNull(elements);
    Comparator<?> comparator2;
    if (elements instanceof SortedSet) {
      comparator2 = comparator((SortedSet<?>) elements);
    } else if (elements instanceof SortedIterable) {
      comparator2 = ((SortedIterable<?>) elements).comparator();
    } else {
      return false;
    }
    return comparator.equals(comparator2);
  }

  @SuppressWarnings("unchecked")

    } else if (type instanceof ParameterizedType) {
      return resolveParameterizedType((ParameterizedType) type);
    } else if (type instanceof GenericArrayType) {
      return resolveGenericArrayType((GenericArrayType) type);
    } else if (type instanceof WildcardType) {
      return resolveWildcardType((WildcardType) type);
    } else {
      // if Class<?>, no resolution needed, we are done.

				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")
			}
		}

        }
        final StringBuilder buf = new StringBuilder(100);
        for (final Object arg : methodArgs) {
            if (arg != null) {
                buf.append(arg.getClass().getName());
            } else {
                buf.append("null");
            }
            buf.append(", ");
        }
        buf.setLength(buf.length() - 2);
        return new String(buf);
    }

      if (collection.add(value)) {
        totalSize++;
        map.put(key, collection);
        return true;
      } else {
        throw new AssertionError("New Collection violated the Collection spec");
      }
    } else if (collection.add(value)) {
      totalSize++;
      return true;
    } else {
      return false;
    }
  }

  private Collection<V> getOrCreateCollection(@ParametricNullness K key) {

            if (message.getResourceName() != null) {
                notification.setResourceName(message.getResourceName());
            } else if (message.getDestinationNode() != null) {
                notification.setResourceName(message.getDestinationNode());
            } else {
                notification.setResourceName(registration.getShareName());
            }

            // Set additional fields based on message type