Update serialization runtime and fix test data

Revert "Mute/ignore 'PROVIDED_RUNTIME_TOO_LOW' in tests"

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/DuplicateSerialName.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/DuplicateSerialName.txt

@@ -10,13 +10,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<Derived> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Derived
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Derived
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Derived): Derived
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Derived): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Derived): Derived
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Derived): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }
@@ -40,13 +40,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<Parent> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Parent
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Parent
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Parent): Parent
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Parent): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Parent): Parent
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Parent): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/IncorrectTransient.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 // WITH_RUNTIME
 // SKIP_TXT
 

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/IncorrectTransient2.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 // WITH_RUNTIME
 // SKIP_TXT
 

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/LazyRecursionBug.kt

@@ -1,4 +1,3 @@
-// !DIAGNOSTICS: -PROVIDED_RUNTIME_TOO_LOW
 // This test enshures that analysis ends up without compiler exceptions
 
 import kotlinx.serialization.*

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/LazyRecursionBug.txt

@@ -9,12 +9,12 @@ package
 
     @kotlinx.serialization.Serializer(forClass = Digest::class) public companion object Companion : kotlinx.serialization.KSerializer<Digest> {
         private constructor Companion()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Digest
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Digest
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Digest): Digest
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Digest): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Digest): Digest
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Digest): kotlin.Unit
         public final /*synthesized*/ fun serializer(): kotlinx.serialization.KSerializer<Digest>
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
     }

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/NoSuitableCtorInParent.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/NoSuitableCtorInParent.txt

@@ -11,13 +11,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<Derived> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Derived
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Derived
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Derived): Derived
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Derived): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Derived): Derived
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Derived): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/NonSerializable.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/NonSerializable.txt

@@ -10,13 +10,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<Basic> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Basic
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Basic
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Basic): Basic
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Basic): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Basic): Basic
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Basic): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }
@@ -40,13 +40,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<Inside> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Inside
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Inside
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Inside): Inside
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Inside): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Inside): Inside
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Inside): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }
@@ -77,13 +77,13 @@ public final class NonSerializable {
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<WithImplicitType> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): WithImplicitType
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): WithImplicitType
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: WithImplicitType): WithImplicitType
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: WithImplicitType): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: WithImplicitType): WithImplicitType
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: WithImplicitType): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/NullabilityIncompatible.kt

@@ -1,7 +1,9 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*
+import kotlinx.serialization.descriptors.*
+import kotlinx.serialization.encoding.*
 
 @Serializable(NopeNullableSerializer::class)
 class Nope {}

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/NullabilityIncompatible.txt

@@ -10,13 +10,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<Foo> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Foo
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Foo
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Foo): Foo
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Foo): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Foo): Foo
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Foo): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }
@@ -47,11 +47,11 @@ package
 
 public final class NopeNullableSerializer : kotlinx.serialization.KSerializer<Nope?> {
     public constructor NopeNullableSerializer()
-    public open override /*1*/ val descriptor: kotlinx.serialization.SerialDescriptor
-    public open override /*1*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Nope?
+    public open override /*1*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
+    public open override /*1*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Nope?
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Nope?): Nope?
-    public open override /*1*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Nope?): kotlin.Nothing
+    @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Nope?): Nope?
+    public open override /*1*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Nope?): kotlin.Nothing
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/ParamIsNotProperty.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/ParamIsNotProperty.txt

@@ -10,13 +10,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<Test> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): Test
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): Test
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: Test): Test
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: Test): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: Test): Test
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: Test): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/SerializableEnums.kt

@@ -1,7 +1,8 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*
+import kotlinx.serialization.encoding.*
 
 enum class SimpleEnum { A, B }
 

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/SerializableEnums.txt

@@ -3,11 +3,11 @@ package
 public object EnumSerializer : kotlinx.serialization.KSerializer<ExplicitlyMarkedEnumCustom> {
     private constructor EnumSerializer()
     public open override /*1*/ val descriptor: kotlin.Nothing
-    public open override /*1*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): ExplicitlyMarkedEnumCustom
+    public open override /*1*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): ExplicitlyMarkedEnumCustom
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-    @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: ExplicitlyMarkedEnumCustom): ExplicitlyMarkedEnumCustom
-    public open override /*1*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: ExplicitlyMarkedEnumCustom): kotlin.Nothing
+    @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: ExplicitlyMarkedEnumCustom): ExplicitlyMarkedEnumCustom
+    public open override /*1*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: ExplicitlyMarkedEnumCustom): kotlin.Nothing
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
 
@@ -29,13 +29,13 @@ public object EnumSerializer : kotlinx.serialization.KSerializer<ExplicitlyMarke
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<ExplicitlyMarkedEnum> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): ExplicitlyMarkedEnum
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): ExplicitlyMarkedEnum
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: ExplicitlyMarkedEnum): ExplicitlyMarkedEnum
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: ExplicitlyMarkedEnum): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: ExplicitlyMarkedEnum): ExplicitlyMarkedEnum
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: ExplicitlyMarkedEnum): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/SerializableIgnored.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/Transients.kt

@@ -1,4 +1,4 @@
-// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE,-PROVIDED_RUNTIME_TOO_LOW
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
 
 // FILE: test.kt
 import kotlinx.serialization.*

plugins/kotlin-serialization/kotlin-serialization-compiler/testData/diagnostics/Transients.txt

@@ -14,13 +14,13 @@ package
 
     @kotlin.Deprecated(level = DeprecationLevel.HIDDEN, message = "This synthesized declaration should not be used directly", replaceWith = kotlin.ReplaceWith(expression = "", imports = {})) public object `$serializer` : kotlinx.serialization.internal.GeneratedSerializer<WithTransients> {
         private constructor `$serializer`()
-        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.SerialDescriptor
+        public open override /*1*/ /*synthesized*/ val descriptor: kotlinx.serialization.descriptors.SerialDescriptor
         public open override /*1*/ /*synthesized*/ fun childSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
-        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.Decoder): WithTransients
+        public open override /*1*/ /*synthesized*/ fun deserialize(/*0*/ decoder: kotlinx.serialization.encoding.Decoder): WithTransients
         public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
         public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
-        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.Decoder, /*1*/ old: WithTransients): WithTransients
-        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.Encoder, /*1*/ value: WithTransients): kotlin.Unit
+        @kotlin.Deprecated(level = DeprecationLevel.ERROR, message = "Patch function is deprecated for removal since this functionality is no longer supported by serializer.Some formats may provide implementation-specific patching in their Decoders.") public open override /*1*/ /*fake_override*/ fun patch(/*0*/ decoder: kotlinx.serialization.encoding.Decoder, /*1*/ old: WithTransients): WithTransients
+        public open override /*1*/ /*synthesized*/ fun serialize(/*0*/ encoder: kotlinx.serialization.encoding.Encoder, /*1*/ value: WithTransients): kotlin.Unit
         public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
         public open override /*1*/ /*fake_override*/ fun typeParametersSerializers(): kotlin.Array<kotlinx.serialization.KSerializer<*>>
     }