java - How to transform MultiMap<String, String> to MultiMap<String,Integer>? -

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i got following multimap, how transform multimap<string,integer> ?

multimap<string, string> multimap= // contents here

use multimaps#transformvalues(multimap, function):

multimap<string, integer> transformed = multimaps.transformvalues(multimap,     new function<string, integer>() {         @override public integer apply(string value) {           return integer.valueof(value);         }     });

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