FileFilterTask task = makeTask("generateInstallJson", FileFilterTask.class);
{
task.setInputFile(delayedFile(DevConstants.JSON_REL));
task.setOutputFile(delayedFile(DevConstants.INSTALL_PROFILE));
task.addReplacement("@minecraft_version@", delayedString("{MC_VERSION}"));
task.addReplacement("@version@", delayedString("{VERSION}"));
task.addReplacement("@project@", delayedString("FML"));
task.addReplacement("@artifact@", delayedString("cpw.mods:fml:{MC_VERSION}-{VERSION}"));
task.addReplacement("@universal_jar@", new Closure<String>(project)
{