public UpdateCaseRequest withPerformedBy(UserUnion performedBy) {
        setPerformedBy(performedBy);
        return this;
    }
@param performedBy
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-connectcases/src/main/java/com/amazonaws/services/connectcases/model/UpdateCaseRequest.java