FIR IDE: API to indicate delegated property

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/symbols/KtFirKotlinPropertySymbol.kt

@@ -101,6 +101,8 @@ internal class KtFirKotlinPropertySymbol(
     // NB: `field` in accessors indicates the property should have a backing field. To see that, though, we need BODY_RESOLVE.
     override val hasBackingField: Boolean get() = firRef.withFir(FirResolvePhase.BODY_RESOLVE) { it.hasBackingField }
 
+    override val isDelegatedProperty: Boolean get() = firRef.withFir { it.delegateFieldSymbol != null }
+
     override val isLateInit: Boolean get() = firRef.withFir { it.isLateInit }
 
     override val isConst: Boolean get() = firRef.withFir { it.isConst }

analysis/analysis-api-fir/tests/org/jetbrains/kotlin/analysis/api/fir/symbols/FirSymbolByPsiTestGenerated.java

@@ -78,6 +78,12 @@ public class FirSymbolByPsiTestGenerated extends AbstractFirSymbolByPsiTest {
         runTest("analysis/analysis-api/testData/symbols/symbolByPsi/classWithTypeParams.kt");
     }
 
+    @Test
+    @TestMetadata("delegateField.kt")
+    public void testDelegateField() throws Exception {
+        runTest("analysis/analysis-api/testData/symbols/symbolByPsi/delegateField.kt");
+    }
+
     @Test
     @TestMetadata("deprecated.kt")
     public void testDeprecated() throws Exception {