135   public void visitScene(AScene minuend, AScene subtrahend,  in visitScene()  argument
137     visitElements(minuend.packages, subtrahend.packages,  in visitScene()
139     diff(minuend.imports, subtrahend.imports, difference.imports);  in visitScene()
140     visitElements(minuend.classes, subtrahend.classes,  in visitScene()
146   public Void visitAnnotationDef(AnnotationDef minuend,  in visitAnnotationDef()  argument
157   public Void visitBlock(ABlock minuend, Pair<AElement, AElement> eltPair) {  in visitBlock()  argument
160     visitElements(minuend.locals, subtrahend.locals, difference.locals);  in visitBlock()
161     return visitExpression(minuend, eltPair);  in visitBlock()
169   public Void visitClass(AClass minuend, Pair<AElement, AElement> eltPair) {  in visitClass()  argument
172     visitElements(minuend.bounds, subtrahend.bounds, difference.bounds);  in visitClass()
173     visitElements(minuend.extendsImplements,  in visitClass()
175     visitElements(minuend.methods, subtrahend.methods,  in visitClass()
177     visitElements(minuend.staticInits, subtrahend.staticInits,  in visitClass()
179     visitElements(minuend.instanceInits, subtrahend.instanceInits,  in visitClass()
181     visitElements(minuend.fields, subtrahend.fields, difference.fields);  in visitClass()
182     visitElements(minuend.fieldInits, subtrahend.fieldInits,  in visitClass()
184     return visitDeclaration(minuend, eltPair);  in visitClass()
192   public Void visitDeclaration(ADeclaration minuend,  in visitDeclaration()  argument
196     visitElements(minuend.insertAnnotations,  in visitDeclaration()
198     visitElements(minuend.insertTypecasts, subtrahend.insertTypecasts,  in visitDeclaration()
200     return visitElement(minuend, eltPair);  in visitDeclaration()
208   public Void visitExpression(AExpression minuend,  in visitExpression()  argument
212     visitElements(minuend.typecasts, subtrahend.typecasts,  in visitExpression()
214     visitElements(minuend.instanceofs, subtrahend.instanceofs,  in visitExpression()
216     visitElements(minuend.news, subtrahend.news, difference.news);  in visitExpression()
217     visitElements(minuend.calls, subtrahend.calls, difference.calls);  in visitExpression()
218     visitElements(minuend.refs, subtrahend.refs, difference.refs);  in visitExpression()
219     visitElements(minuend.funs, subtrahend.funs, difference.funs);  in visitExpression()
220     return visitElement(minuend, eltPair);  in visitExpression()
228   public Void visitField(AField minuend, Pair<AElement, AElement> eltPair) {  in visitField()  argument
229     return visitDeclaration(minuend, eltPair);  in visitField()
237   public Void visitMethod(AMethod minuend,  in visitMethod()  argument
241     visitElements(minuend.bounds, subtrahend.bounds, difference.bounds);  in visitMethod()
242     visitElements(minuend.parameters, subtrahend.parameters,  in visitMethod()
244     visitElements(minuend.throwsException, subtrahend.throwsException,  in visitMethod()
246     visitElements(minuend.parameters, subtrahend.parameters,  in visitMethod()
248     visitBlock(minuend.body,  in visitMethod()
250     if (minuend.returnType != null) {  in visitMethod()
251       minuend.returnType.accept(this,  in visitMethod()
254     if (minuend.receiver != null) {  in visitMethod()
255       minuend.receiver.accept(this,  in visitMethod()
258     return visitDeclaration(minuend, eltPair);  in visitMethod()
266   public Void visitTypeElement(ATypeElement minuend,  in visitTypeElement()  argument
270     visitElements(minuend.innerTypes, subtrahend.innerTypes,  in visitTypeElement()
272     return visitElement(minuend, eltPair);  in visitTypeElement()
280   public Void visitTypeElementWithType(ATypeElementWithType minuend,  in visitTypeElementWithType()  argument
282     return visitTypeElement(minuend, eltPair);  in visitTypeElementWithType()
290   public Void visitElement(AElement minuend,  in visitElement()  argument
294     diff(minuend.tlAnnotationsHere, subtrahend.tlAnnotationsHere,  in visitElement()
296     if (minuend.type != null) {  in visitElement()
299       minuend.type.accept(this, elemPair(stype, dtype));  in visitElement()
309   void visitElements(VivifyingMap<K, V> minuend,  in visitElements()  argument
311     if (minuend != null) {  in visitElements()
312       for (Map.Entry<K, V> e : minuend.entrySet()) {  in visitElements()
329   private static <T> void diff(Set<T> minuend, Set<T> subtrahend,  in diff()  argument
331     if (minuend != null) {  in diff()
332       for (T t : minuend) {  in diff()
344   private static <K, V> void diff(Map<K, Set<V>> minuend,  in diff()  argument
346     if (minuend != null) {  in diff()
347       for (K key : minuend.keySet()) {  in diff()
348         Set<V> mval = minuend.get(key);  in diff()