SetExchangePatternDefinition setEP = (SetExchangePatternDefinition)out;
buffer.append("(ExchangePattern.");
buffer.append(setEP.getPattern().toString());
buffer.append(")");
} else if (out instanceof SortDefinition) {
SortDefinition sort = (SortDefinition)out;
buffer.append("(");
ExpressionRenderer.renderExpression(buffer, sort.getExpression().toString());
buffer.append(")");
} else if (out instanceof StopDefinition) {
buffer.append("()");
} else if (out instanceof ThreadsDefinition) {
renderThreads(buffer, out);