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