Remove the $DefaultImpls for new interfaces

Generating `$DefaultImpls` for new interfaces is meaningless,
as they won't be used anyway.

Author: dkhalanskyjb

core/api/kotlinx-datetime.api

@@ -688,11 +688,6 @@ public abstract interface class kotlinx/datetime/TimeZoneContext : kotlinx/datet
 public final class kotlinx/datetime/TimeZoneContext$Companion {
 }
 
-public final class kotlinx/datetime/TimeZoneContext$DefaultImpls {
-	public static fun currentTimeZone (Lkotlinx/datetime/TimeZoneContext;)Lkotlinx/datetime/TimeZone;
-	public static fun get (Lkotlinx/datetime/TimeZoneContext;Ljava/lang/String;)Lkotlinx/datetime/TimeZone;
-}
-
 public final class kotlinx/datetime/TimeZoneContext$System : kotlinx/datetime/TimeZoneContext {
 	public static final field INSTANCE Lkotlinx/datetime/TimeZoneContext$System;
 	public fun availableZoneIds ()Ljava/util/Set;
@@ -708,10 +703,6 @@ public abstract interface class kotlinx/datetime/TimeZoneDatabase {
 	public abstract fun getOrNull (Ljava/lang/String;)Lkotlinx/datetime/TimeZone;
 }
 
-public final class kotlinx/datetime/TimeZoneDatabase$DefaultImpls {
-	public static fun get (Lkotlinx/datetime/TimeZoneDatabase;Ljava/lang/String;)Lkotlinx/datetime/TimeZone;
-}
-
 public abstract interface class kotlinx/datetime/TimeZoneIdProvider {
 	public abstract fun currentTimeZoneId ()Ljava/lang/String;
 }

core/common/src/MyJvmDefaultWithoutCompatibility.kt

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2019-2026 JetBrains s.r.o. and contributors.
+ * Use of this source code is governed by the Apache 2.0 License that can be found in the LICENSE.txt file.
+ */
+
+package kotlinx.datetime
+
+@OptIn(ExperimentalMultiplatform::class)
+@OptionalExpectation
+internal expect annotation class MyJvmDefaultWithoutCompatibility()
+

core/common/src/TimeZoneContext.kt

@@ -16,6 +16,7 @@ import kotlinx.datetime.internal.systemTimezoneDatabase
  * Typically, the identifiers follow the IANA time zone conventions (https://www.iana.org/time-zones):
  * for example, `Europe/Berlin` or `America/Los_Angeles`.
  */
+@MyJvmDefaultWithoutCompatibility
 public interface TimeZoneDatabase {
     /**
      * Returns the time zone identified by the provided [id].
@@ -83,6 +84,7 @@ public interface TimeZoneIdProvider {
  * but can additionally return a useful time zone
  * even when the [TimeZoneDatabase] does not recognize the timezone identifier.
  */
+@MyJvmDefaultWithoutCompatibility
 public interface TimeZoneContext: TimeZoneDatabase, TimeZoneIdProvider {
     /**
      * Get the current time zone.

core/common/src/format/DateTimeFormatBuilder.kt

@@ -9,10 +9,6 @@ import kotlinx.datetime.*
 import kotlinx.datetime.internal.*
 import kotlinx.datetime.internal.format.*
 
-@OptIn(ExperimentalMultiplatform::class)
-@OptionalExpectation
-internal expect annotation class MyJvmDefaultWithoutCompatibility()
-
 /**
  * Common functions for all format builders.
  *

…rmat/MyJvmDefaultWithoutCompatibility.kt …/src/MyJvmDefaultWithoutCompatibility.ktcore/jvm/src/format/format/MyJvmDefaultWithoutCompatibility.kt renamed to core/jvm/src/MyJvmDefaultWithoutCompatibility.kt core/jvm/src/format/format/MyJvmDefaultWithoutCompatibility.kt renamed to core/jvm/src/MyJvmDefaultWithoutCompatibility.kt

@@ -3,6 +3,6 @@
  * Use of this source code is governed by the Apache 2.0 License that can be found in the LICENSE.txt file.
  */
 
-package kotlinx.datetime.format
+package kotlinx.datetime
 
 internal actual typealias MyJvmDefaultWithoutCompatibility = JvmDefaultWithoutCompatibility