Feature request #7573
Rewrite ParameterSelection class to return parameter value instead of its index
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This is rather proposal than new feature or bug.
Currently ParameterSelection accepted list of possible values and returns an index of the selected value. Maybe it makes sense to rewrite it and return value. Such approach has some advantages: using Python dict type it is very easy to show descriptive names to user and in same time pass to algorithms correct values with necessary type (string, int, double...)
If this will be accepted, issues described in #5689 will gone