docs: protected XExpression _generate(XForLoopExpression forLoop, IAppendable it, IExtraLanguageGeneratorContext context) {
  		it.append("for "); //$NON-NLS-1$
  		final String varName = it.declareUniqueNameVariable(forLoop.getDeclaredParam(), forLoop.getDeclaredParam().getSimpleName());
  		it.append(varName);
  		it.append(" in "); //$NON-NLS-1$
  		generate(forLoop.getForExpression(), it, context);
  		it.append(":"); //$NON-NLS-1$
  		it.increaseIndentation().newLine();
  		final XExpression last = generate(forLoop.getEachExpression(), it, context);
  		it.decreaseIndentation();
  		return last;
  	}