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```java RequestBuilder builder = new RequestBuilder( "GET", HttpUrl.get("https://github.com"), "square/{name1}/{name2}", null, null, false, false, false ); builder.addPathParam("name1", "retro{}fit", false); builder.addPathParam("name2", "iss[]ues", false); assertEquals("https://github.com/square/retro%7B%7Dfit/iss%5B%5Des", builder.build().url().toString()); ``` From [rfc3986#section-3.3](http://tools.ietf.org/html/rfc3986#section-3.3) I would assume that...