default public Collection<Type> parseValueCollection(String value)
            throws GuacamoleException {
        
        return Collections.singletonList(parseValue(value));
        
    }
Parses the given string value into a Collection of values of the type
associated with this GuacamoleProperty. The default implementation
simply returns a list containing a single item as parsed by the
parseValue method.

@param value
    The string value to parse.

@return
    A sorted Collection of the parsed values.

@throws GuacamoleException 
    If an error occurs while parsing the provided value.
guacamole-ext/src/main/java/org/apache/guacamole/properties/GuacamoleProperty.java