code: function (oInterface, oPathValue) {
  			var oParameter;
  
  			oPathValue.asExpression = true;
  			oParameter = Expression.expression(oInterface, oPathValue);
  			return {
  				result : "expression",
  				value : "!" + Basics.resultToString(Expression.wrapExpression(oParameter), true),
  				type : "Edm.Boolean"
  			};
  		}
docs: Handling of "14.5.1 Comparison and Logical Operators": <code>edm:Not</code>.
  
  @param {sap.ui.core.util.XMLPreprocessor.IContext|sap.ui.model.Context} oInterface
  the callback interface related to the current formatter call
  @param {object} oPathValue
  path and value information pointing to the parameter (see Expression object)
  @returns {object}
  the result object