members += f.toMethod(f.name, f.type ?: inferredType) [
	documentation = f.documentation
	for (p : f.params) {
		parameters += p.toParameter(p.name, p.parameterType)
	}
	val expr = XbaseFactory.eINSTANCE.createXTryCatchFinallyExpression
	expr.expression = f.body
	expr.catchClauses += ...
	f.body = expr
	body = expr
]

   private void updateField() {
       this.someField = (...)
   }

    members += property.toMethod("updateField", typeRef(void)) [
        body = '''this.«property.name» = «property.formula»;'''
    ]

members += property.toMethod("updateField_", typeRef(String)) [
	visibility = JvmVisibility.PRIVATE
	body = property.formula
]
members += property.toMethod("updateField_, typeRef(void)) [
	visibility = JvmVisibility.PRIVATE
	body = '''this.«property.name» = «property.name»_();'''
]

   private String updateField_() {
       (...)
   }

   private void updateField() {
       this.someField = updateField_();
   }