public TopicIRContributionAnalysis withFactors(ContributionAnalysisFactor... factors) {
        if (this.factors == null) {
            setFactors(new java.util.ArrayList<ContributionAnalysisFactor>(factors.length));
        }
        for (ContributionAnalysisFactor ele : factors) {
            this.factors.add(ele);
        }
        return this;
    }
<p>
The factors for a <code>TopicIRContributionAnalysis</code>.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setFactors(java.util.Collection)} or {@link #withFactors(java.util.Collection)} if you want to override
the existing values.
</p>

@param factors
       The factors for a <code>TopicIRContributionAnalysis</code>.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/TopicIRContributionAnalysis.java