WarningLevel.VERBOSE.setOptionsForWarningLevel(options);
for (DiagnosticGroup dg : diagnosticGroups) {
options.setWarningLevel(dg, CheckLevel.ERROR);
}
options.setCodingConvention(new GoogleCodingConvention());
Compiler compiler = new Compiler();
MessageFormatter formatter =
options.errorFormat.toFormatter(compiler, false);
AntErrorManager errorManager = new AntErrorManager(formatter, task);