protected Object preprocess(Object value) {
Util.checkType(value, Map.class);
- Preconditions.checkArgument(((Map)value).size() == 1, "Unexpected number of values in %s, expected 1", value);
- return ((Map)value).values().iterator().next();
+ Preconditions.checkArgument(((Map<?, ?>)value).size() == 1, "Unexpected number of values in %s, expected 1", value);
+ return ((Map<?, ?>)value).values().iterator().next();
}
}