*
     * @param settings The settings to validate, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */
    void validate(Settings settings, SettingsProblemCollector problems);

    /**
     * Validate the specified settings.
     *
     * @param settings The settings to validate, must not be {@code null}.

      } else if (c == ':') {
        if (hasDot) {
          return null; // Colons must not appear after dots.
        }
        hasColon = true;
      } else if (c == '%') {
        percentIndex = i;
        break;
      } else if (Character.digit(c, 16) == -1) {
        return null; // Everything else must be a decimal or hex digit.
      }
    }

    // Now decide which address family to parse.

    /**
     * Creates a {@link org.apache.maven.api.Project} from a POM file.
     *
     * @param session the {@link Session}, must not be {@code null}
     * @param source The {@link Source}, must not be {@code null}
     * @throws ProjectBuilderException if the project cannot be created
     * @throws IllegalArgumentException if an argument is {@code null} or invalid

     *
     * @param model The model to validate, must not be {@code null}.
     * @param request The model building request that holds further settings, must not be {@code null}.
     * @param problems The container used to collect problems that were encountered, must not be {@code null}.
     */

          <version>4.0.0+</version>
          <description>
            <![CDATA[
            Just like {@code connection}, but for developers, i.e. this scm connection
            will not be read only.
            <p><b>Default value is</b>: parent value [+ path adjustment] + (artifactId or project.directory property), or just parent value if
            scm's {@code child.scm.developerConnection.inherit.append.path="false"}.</p>

	}

	// There are two possibilities:
	// - We use a KMS -> There must be non-empty key ID and a KMS data key.
	// - We use a K/V -> There must be no key ID and no KMS data key.
	// Otherwise, the caller has passed an invalid argument combination.
	if keyID == "" && len(kmsKey) != 0 {
		logger.CriticalIf(context.Background(), errors.New("The key ID must not be empty if a KMS data key is present"))
	}

    /**
     * Do not instantiate.
     */
    protected ModifierUtil() {
    }

    /**
     * Checks if the specified method is public.
     *
     * @param method
     *            the method to check. Must not be null.
     * @return true if public, false otherwise
     */
    public static boolean isPublic(final Method method) {
        assertArgumentNotNull("method", method);

                case RESOLVER_LMHOSTS:
                    final NbtAddress ans = Lmhosts.getByName(name);
                    if (ans != null) {
                        ans.hostName.srcHashCode = 0; // just has to be different
                                                      // from other methods
                        return ans;
                    }
                    break;
                case RESOLVER_WINS:

     *
     * @param profile The profile whose activation status should be determined, must not be {@code null}.
     * @param context The environmental context used to determine the activation status of the profile, must not be
     *            {@code null}.
     * @param problems The container used to collect problems (e.g. bad syntax) that were encountered, must not be
     *            {@code null}.

 * interceptors, the OkHttp core, all network interceptors, and finally the network caller.
 *
 * If the chain is for an application interceptor then [exchange] must be null. Otherwise it is for
 * a network interceptor and [exchange] must be non-null.
 */
class RealInterceptorChain(
  internal val call: RealCall,
  private val interceptors: List<Interceptor>,
  private val index: Int,