[FIR] Implement warnings for java nullability type mismatch

#KT-56989

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

@@ -5033,6 +5033,22 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirJvmErrors.RECEIVER_NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS) { firDiagnostic ->
+        ReceiverNullabilityMismatchBasedOnJavaAnnotationsImpl(
+            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.a),
+            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.b),
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
+    add(FirJvmErrors.NULLABILITY_MISMATCH_BASED_ON_JAVA_ANNOTATIONS) { firDiagnostic ->
+        NullabilityMismatchBasedOnJavaAnnotationsImpl(
+            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.a),
+            firSymbolBuilder.typeBuilder.buildKtType(firDiagnostic.b),
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
     add(FirJvmErrors.UPPER_BOUND_CANNOT_BE_ARRAY) { firDiagnostic ->
         UpperBoundCannotBeArrayImpl(
             firDiagnostic as KtPsiDiagnostic,

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

@@ -3501,6 +3501,18 @@ sealed interface KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         val actualType: KtType
     }
 
+    interface ReceiverNullabilityMismatchBasedOnJavaAnnotations : KtFirDiagnostic<PsiElement> {
+        override val diagnosticClass get() = ReceiverNullabilityMismatchBasedOnJavaAnnotations::class
+        val actualType: KtType
+        val expectedType: KtType
+    }
+
+    interface NullabilityMismatchBasedOnJavaAnnotations : KtFirDiagnostic<PsiElement> {
+        override val diagnosticClass get() = NullabilityMismatchBasedOnJavaAnnotations::class
+        val actualType: KtType
+        val expectedType: KtType
+    }
+
     interface UpperBoundCannotBeArray : KtFirDiagnostic<PsiElement> {
         override val diagnosticClass get() = UpperBoundCannotBeArray::class
     }

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

@@ -4224,6 +4224,20 @@ internal class JavaTypeMismatchImpl(
     token: KtLifetimeToken,
 ) : KtAbstractFirDiagnostic<KtExpression>(firDiagnostic, token), KtFirDiagnostic.JavaTypeMismatch
 
+internal class ReceiverNullabilityMismatchBasedOnJavaAnnotationsImpl(
+    override val actualType: KtType,
+    override val expectedType: KtType,
+    firDiagnostic: KtPsiDiagnostic,
+    token: KtLifetimeToken,
+) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.ReceiverNullabilityMismatchBasedOnJavaAnnotations
+
+internal class NullabilityMismatchBasedOnJavaAnnotationsImpl(
+    override val actualType: KtType,
+    override val expectedType: KtType,
+    firDiagnostic: KtPsiDiagnostic,
+    token: KtLifetimeToken,
+) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.NullabilityMismatchBasedOnJavaAnnotations
+
 internal class UpperBoundCannotBeArrayImpl(
     firDiagnostic: KtPsiDiagnostic,
     token: KtLifetimeToken,