private int fromInstance(Symbol symbol, Symbol owner) {
int i = -1;
Type ownerType = owner.type();
for (Symbol outerClass : outerClasses) {
i++;
if (symbol.equals(outerClass)
|| (ownerType != null
&& owner.isTypeSymbol()
&& outerClass.type().isSubtypeOf(ownerType))) {
return i;
}
}
return -1;
}
