er" id="com.improve_future.harmonica.core.table.TableBuilder$refer(kotlin.String, kotlin.Boolean, kotlin.Long, kotlin.String)/columnName">columnName</span><span class="symbol">:</span>&nbsp;<a href="https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/-string/index.html"><span class="identifier">String</span></a>&nbsp;<span class="symbol">=</span>&nbsp;"id"<span class="symbol">)</span><span class="symbol">: </span><a href="../../com.improve_future.harmonica.core.table.column/-column-builder/index.html"><span