/**
     * Gets the identifier of the project that could not be built. The general format of the identifier is {@code
     * <groupId>:<artifactId>:<version>} but some of these coordinates may still be unknown at the point the exception
     * is thrown so this information is merely meant to assist the user.
     *
     * @return the identifier of the project or an empty string if not known, never {@code null}
     */
    @Nonnull

	ctxt.Flag_maymorestack = flags.DebugFlags.MayMoreStack
	ctxt.Debugpcln = flags.DebugFlags.PCTab
	ctxt.IsAsm = true
	ctxt.Pkgpath = *flags.Importpath
	switch *flags.Spectre {
	default:
		log.Printf("unknown setting -spectre=%s", *flags.Spectre)
		os.Exit(2)
	case "":
		// nothing
	case "index":
		// known to compiler; ignore here so people can use
		// the same list with -gcflags=-spectre=LIST and -asmflags=-spectrre=LIST

            queryType = QueryType.BOOL;
        } else if (queryBuilder instanceof DisMaxQueryBuilder) {
            queryType = QueryType.DISMAX;
        } else {
            throw new IllegalArgumentException("Unknown query builder: " + queryBuilder);
        }
    }

    public DefaultQueryBuilder add(final QueryBuilder innerQueryBuilder) {
        switch (queryType) {
        case BOOL:

errors.failed_to_change_password=Failed to change your password.
errors.unknown_version_for_upgrade=Unknown version information.
errors.failed_to_upgrade_from=Failed to upgrade from {0}.
errors.failed_to_read_request_file=Failed to read request file: {0}
errors.invalid_header_for_request_file=Invalid header: {0}

errors.invalid_query_unknown=The given query has unknown condition.
errors.invalid_query_parse_error=The given query is invalid.

                message += "\n  " + methodLinkMetaData;
            }
            message += "\nThis problem may happen when some apilink from docbook template xmls refers to unknown method."
                    + "\nExample: <apilink class=\"org.gradle.api.Project\" method=\"someMethodThatDoesNotExist\"/>";
            throw new RuntimeException(message);
        }
        if (candidates.size() != 1) {

		// single value, this rejects invalid inputs if any.
		found = !SubSystems.FuncMatch(strings.HasPrefix, subSystemValue[0]).IsEmpty() && len(subSystemValue) == 1
	}
	if !found {
		return nil, Errorf("unknown sub-system %s", s)
	}

	targets := Targets{}
	subSysPrefix := subSystemValue[0]
	if len(subSystemValue) == 2 {
		if len(subSystemValue[1]) == 0 {

        if (!resource.getMessageList().isEmpty()) {
            return resource.getMessageList().stream().collect(Collectors.joining(" "));
        }

        if (cause == null) {
            return "Unknown error";
        }

        final Supplier<String> stacktraceString = () -> {
            final StringBuilder sb = new StringBuilder();
            if (StringUtil.isBlank(cause.getMessage())) {

        assertThat(graph.removeNode(nodeList.get(i))).isTrue();
      }

      assertThat(graph.nodes()).hasSize(NUM_NODES - numNodesToRemove);
      // Number of edges remaining is unknown (node's incident edges have been removed).
      AbstractGraphTest.validateGraph(graph);

      for (int i = numNodesToRemove; i < NUM_NODES; ++i) {
        assertThat(graph.removeNode(nodeList.get(i))).isTrue();
      }

			ExpectedRegexp: regexp.MustCompile("Access to Istio web UIs"),
		},
		{ // case 1
			Args:           strings.Split("invalid --browser=false", " "),
			ExpectedRegexp: regexp.MustCompile(`unknown dashboard "invalid"`),
			WantException:  true,
		},
		{ // case 2
			Args:           strings.Split("controlz --browser=false", " "),
			ExpectedRegexp: regexp.MustCompile(".*Error: specify a pod or --selector"),

                return queryCommand.execute(context, query, boost);
            }
            throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                    "Unknown q: " + query.getClass() + " => " + query);
        };
    }

    public interface Filter {
        QueryBuilder execute(final QueryContext context, final Query query, final float boost, final FilterChain chain);
    }