public Map<String,VALUETYPE> parse(String string,Map<String,VALUETYPE> map) {
        this.map = map;
        parse(string);
        return this.map;
    }
Parses a map on the form <code>{key1:value1,key2:value2 ...}</code>

@param string the textual representation of the map
@param map the map to which the values will be added
@return the input map instance for convenience
vespajlib/src/main/java/com/yahoo/text/MapParser.java