One of the ways to reverse engineer Javascript code that's bundled is to use an applet known as Shuji. Shuji is an applet that, in its owner's words: "Reverse engineering JavaScript and CSS sources from sourcemaps".
A method to design records so that they're allocated on a specific byte boundary, such as 16 bytes, 512 bytes, 4096 bytes, etc.
Learn why the map is cool in Go!