ps://kotlinlang.org/api/core/kotlin-stdlib/kotlin.properties/-read-only-property/index.html">ReadOnlyProperty</a><span class="token operator">&lt;</span><a href="index.html">Child</a><span class="token punctuation">, </span><a href="index.html">Parent</a><span class="token operator">?</span><span class="token operator">&gt; </span></div><p class="paragraph">Class responsible for implementing property delegates of the read-only properties involved in an optional table relation between two <a href="../-entity