junit-servers-core/src/main/java/com/github/mjeanroy/junit/servers/client/impl/okhttp3/OkHttpRequest.java
private void handleHeaders(Request.Builder builder) {
		for (HttpHeader h : headers.values()) {
			builder.addHeader(h.getName(), h.serializeValues());
		}
	}
private void handleHeaders(Request.Builder builder) {
		for (HttpHeader h : headers.values()) {
			builder.addHeader(h.getName(), h.serializeValues());
		}
	}
Add all HTTP headers to the final request.

@param builder The OkHttp request builder.
@see Request.Builder#addHeader(String, String)