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

        this.qualities = new java.util.ArrayList<String>(qualities);
    }
<p>
The quality by which to filter asset data.
</p>

@param qualities
       The quality by which to filter asset data.
@see Quality
aws-java-sdk-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/GetAssetPropertyValueHistoryRequest.java