public ParameterSpace withCombination(String combination) {
        setCombination(combination);
        return this;
    }
<p>
The combination expression to use in the search.
</p>

@param combination
       The combination expression to use in the search.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-deadline/src/main/java/com/amazonaws/services/deadline/model/ParameterSpace.java