public java.util.List<String> getColumns() {
        return columns;
    }
<p>
A folder has a list of columns. A column can only be in one folder.
</p>

@return A folder has a list of columns. A column can only be in one folder.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/FieldFolder.java