[FIR] Implement DEFINITELY_NON_NULLABLE_AS_REIFIED diagnostic

#KT-55646 Fixed

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDataClassConverters.kt

@@ -2074,6 +2074,12 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.DEFINITELY_NON_NULLABLE_AS_REIFIED) { firDiagnostic ->
+        DefinitelyNonNullableAsReifiedImpl(
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
     add(FirErrors.FINAL_UPPER_BOUND) { firDiagnostic ->
         FinalUpperBoundImpl(
             firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.a),

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnostics.kt

@@ -1474,6 +1474,10 @@ sealed class KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         abstract val type: KtType
     }
 
+    abstract class DefinitelyNonNullableAsReified : KtFirDiagnostic<PsiElement>() {
+        override val diagnosticClass get() = DefinitelyNonNullableAsReified::class
+    }
+
     abstract class FinalUpperBound : KtFirDiagnostic<KtTypeReference>() {
         override val diagnosticClass get() = FinalUpperBound::class
         abstract val type: KtType

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnosticsImpl.kt

@@ -1772,6 +1772,11 @@ internal class ReifiedTypeForbiddenSubstitutionImpl(
     override val token: KtLifetimeToken,
 ) : KtFirDiagnostic.ReifiedTypeForbiddenSubstitution(), KtAbstractFirDiagnostic<PsiElement>
 
+internal class DefinitelyNonNullableAsReifiedImpl(
+    override val firDiagnostic: KtPsiDiagnostic,
+    override val token: KtLifetimeToken,
+) : KtFirDiagnostic.DefinitelyNonNullableAsReified(), KtAbstractFirDiagnostic<PsiElement>
+
 internal class FinalUpperBoundImpl(
     override val type: KtType,
     override val firDiagnostic: KtPsiDiagnostic,