builder.getFlags().add("-Xdock:icon=" + icnsPath.getAbsolutePath());
builder.getFlags().add("-Xdock:name=Minecraft");
}
builder.getFlags().add("-Djava.library.path=" + extractDir.getAbsoluteFile());
builder.classPath(getJarPatcher().getExecutedPath());
builder.setMainClass(manifest.getMainClass());
ProcessBuilder processBuilder = new ProcessBuilder(builder.buildCommand());
processBuilder.directory(getProfile().getContentDir());
Process process = processBuilder.start();