code: function(text, childContent, options) {
  			options = _.extend({
  				keepVariable: true,
  				appendIfNoChild: true
  			}, options || {});
  			
  			var childVariableReplaced = false;
  			var utils = require('utils');
  			text = utils.replaceVariables(text, function(variable, name, data) {
  				var output = variable;
  				if (name == 'child') {
  					// add correct indentation
  					output = utils.padString(childContent, utils.getLinePaddingFromPosition(text, data.start));
  					childVariableReplaced = true;
  					if (options.keepVariable)
  						output += variable;
  				}
  				
  				return output;
  			});
  			
  			if (!childVariableReplaced && options.appendIfNoChild) {
  				text += childContent;
  			}
  			
  			return text;
  		}
docs: Utility function that inserts content instead of <code>${child}</code>
  variables on <code>text</code>
  @param {String} text Text where child content should be inserted
  @param {String} childContent Content to insert
  @param {Object} options
  @returns {String