public InvalidParameterDetail withProblem(String problem) {
        setProblem(problem);
        return this;
    }
<p>
The reason the parameter is invalid.
</p>

@param problem
       The reason the parameter is invalid.
@return Returns a reference to this object so that method calls can be chained together.
@see InvalidParameterProblem
aws-java-sdk-appconfigdata/src/main/java/com/amazonaws/services/appconfigdata/model/InvalidParameterDetail.java