AsyncHttpClient client = new DefaultAsyncHttpClient();
client.preparePropfind("http://mockbin.com/har")

    public BoundRequestBuilder prepare(String method, String url) {
        return this.requestBuilder(method, url);
    }

    public BoundRequestBuilder prepareGet(String url) {
        return this.requestBuilder("GET", url);
    }

    public BoundRequestBuilder prepareConnect(String url) {
        return this.requestBuilder("CONNECT", url);
    }

    public BoundRequestBuilder prepareOptions(String url) {
        return this.requestBuilder("OPTIONS", url);
    }

    public BoundRequestBuilder prepareHead(String url) {
        return this.requestBuilder("HEAD", url);
    }

    public BoundRequestBuilder preparePost(String url) {
        return this.requestBuilder("POST", url);
    }

    public BoundRequestBuilder preparePut(String url) {
        return this.requestBuilder("PUT", url);
    }

    // ...