code: private void renderLine(Object object, Context context, int lineNumber, StringBuilder output) {
  		String lineNumberInput = "#" + this.variableToSetName + "Number";
  		context.put(lineNumberInput, lineNumber);
  		context.put(this.variableToSetName, object);
  
  		output.append(this.repeatBlock.renderForContext(context));
  		
  		context.remove(lineNumberInput);
  		context.remove(this.variableToSetName);
  	}
docs: //////////////