public void setFailureReason(java.util.Collection<String> failureReason) {
        if (failureReason == null) {
            this.failureReason = null;
            return;
        }

        this.failureReason = new java.util.ArrayList<String>(failureReason);
    }
<p>
The reason for an upload failure.
</p>

@param failureReason
       The reason for an upload failure.
aws-java-sdk-iotthingsgraph/src/main/java/com/amazonaws/services/iotthingsgraph/model/GetUploadStatusResult.java