public CreateDataSetRequest addPhysicalTableMapEntry(String key, PhysicalTable value) {
        if (null == this.physicalTableMap) {
            this.physicalTableMap = new java.util.HashMap<String, PhysicalTable>();
        }
        if (this.physicalTableMap.containsKey(key))
            throw new IllegalArgumentException("Duplicated keys (" + key.toString() + ") are provided.");
        this.physicalTableMap.put(key, value);
        return this;
    }
Add a single PhysicalTableMap entry

@see CreateDataSetRequest#withPhysicalTableMap
@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/CreateDataSetRequest.java