public DocServiceBuilder exampleQueries(String serviceName, String methodName,
                                            Iterable<String> queryStrings) {
        requireNonNull(serviceName, "serviceName");
        checkArgument(!serviceName.isEmpty(), "serviceName is empty.");
        requireNonNull(methodName, "methodName");
        checkArgument(!methodName.isEmpty(), "methodName is empty.");
        requireNonNull(queryStrings, "queryStrings");
        for (String query : queryStrings) {
            requireNonNull(query, "queryStrings contains null");
            exampleQueries.computeIfAbsent(serviceName, unused -> ArrayListMultimap.create())
                          .put(methodName, query);
        }
        return this;
    }
Adds the specified example query strings for the method with the specified service and method name.
core/src/main/java/com/linecorp/armeria/server/docs/DocServiceBuilder.java