FIR IDE: API to indicate delegated property

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/symbols/descriptorBased/KtFe10DescKotlinPropertySymbol.kt

@@ -96,7 +96,10 @@ internal class KtFe10DescKotlinPropertySymbol(
             return bindingContext[BindingContext.BACKING_FIELD_REQUIRED, descriptor] == true
         }
 
+    override val isDelegatedProperty: Boolean
+        get() = withValidityAssertion { descriptor.delegateField != null }
+
     override fun createPointer(): KtSymbolPointer<KtKotlinPropertySymbol> = withValidityAssertion {
         return KtPsiBasedSymbolPointer.createForSymbolFromSource(this) ?: KtFe10NeverRestoringSymbolPointer()
     }
-}
+}

analysis/analysis-api-fe10/src/org/jetbrains/kotlin/analysis/api/descriptors/symbols/psiBased/KtFe10PsiKotlinPropertySymbol.kt

@@ -74,6 +74,11 @@ internal class KtFe10PsiKotlinPropertySymbol(
             bindingContext[BindingContext.BACKING_FIELD_REQUIRED, descriptor] == true
         }
 
+    override val isDelegatedProperty: Boolean
+        get() = withValidityAssertion {
+            psi.hasDelegate()
+        }
+
     override val isFromPrimaryConstructor: Boolean
         get() = withValidityAssertion { false }
 
@@ -131,4 +136,4 @@ internal class KtFe10PsiKotlinPropertySymbol(
     override fun createPointer(): KtSymbolPointer<KtKotlinPropertySymbol> = withValidityAssertion {
         return KtPsiBasedSymbolPointer.createForSymbolFromSource(this) ?: KtFe10NeverRestoringSymbolPointer()
     }
-}
+}