.setMetricDef(CxxMetric.COMPLEXITY)
.subscribeTo(complexityAstNodeType)
.build());
// to emit a 'new file' event to the internals of the plugin
builder.withSquidAstVisitor(new CxxFileVisitor(context));
// log syntax errors
builder.withSquidAstVisitor(new CxxParseErrorLoggerVisitor(context));
/* External visitors (typically Check ones) */