public ColumnWildcard getColumnWildcard() {
        return this.columnWildcard;
    }
<p>
A wildcard specified by a <code>ColumnWildcard</code> object. At least one of <code>ColumnNames</code> or
<code>ColumnWildcard</code> is required.
</p>

@return A wildcard specified by a <code>ColumnWildcard</code> object. At least one of <code>ColumnNames</code> or
        <code>ColumnWildcard</code> is required.
aws-java-sdk-lakeformation/src/main/java/com/amazonaws/services/lakeformation/model/TableWithColumnsResource.java