public RecommendationReportDetails withS3Keys(String... s3Keys) {
        if (this.s3Keys == null) {
            setS3Keys(new java.util.ArrayList<String>(s3Keys.length));
        }
        for (String ele : s3Keys) {
            this.s3Keys.add(ele);
        }
        return this;
    }
<p>
The Amazon S3 key name of the report file.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setS3Keys(java.util.Collection)} or {@link #withS3Keys(java.util.Collection)} if you want to override the
existing values.
</p>

@param s3Keys
       The Amazon S3 key name of the report file.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-migrationhubstrategyrecommendations/src/main/java/com/amazonaws/services/migrationhubstrategyrecommendations/model/RecommendationReportDetails.java