public void visitCallStaticExpr(final CallStaticExpr expr) {

		final Expr[] params = expr.params();
		if (params.length > 0) {
			params[0].visit(this);
		}
		if (!found && (exchangeFactor < 2) && (params.length > 1)) {
			exchangeFactor++;
			params[1].visit(this);
		}
	}