public DocServiceBuilder exampleHeaders(Class<?> serviceType, String methodName,
                                            Iterable<? extends HttpHeaders> exampleHeaders) {
        requireNonNull(serviceType, "serviceType");
        return exampleHeaders(serviceType.getName(), methodName, exampleHeaders);
    }
Adds the example {@link HttpHeaders} for the method with the specified type and method name.
This method is a shortcut to:
<pre>{@code
exampleHeaders(serviceType.getName(), methodName, exampleHeaders);
}</pre>
core/src/main/java/com/linecorp/armeria/server/docs/DocServiceBuilder.java