int syntheticParamCount = 0;
ReferenceBinding declaringClass = b.declaringClass;
if (declaringClass.isNestedType() && !declaringClass.isStatic()) {
// add synthetic args for outer this and locals
NestedTypeBinding nestedBinding = (NestedTypeBinding) declaringClass;
Set alreadyNamedVariables = new HashSet();
if (nestedBinding.enclosingInstances != null) {
for (int i = 0; i < nestedBinding.enclosingInstances.length; ++i) {
SyntheticArgumentBinding arg = nestedBinding.enclosingInstances[i];
String argName = String.valueOf(arg.name);