public DocService build() {
        return new DocService(exampleHeaders, exampleRequests, examplePaths, exampleQueries,
                              injectedScriptSuppliers, unifyFilter(includeFilter, excludeFilter),
                              descriptiveTypeInfoProvider);
    }
Returns a newly-created {@link DocService} based on the properties of this builder.
core/src/main/java/com/linecorp/armeria/server/docs/DocServiceBuilder.java