Move KmModuleFragment to an internal.common package

because it is klib-related and can be read only with KotlinCommonMetadata.

libraries/kotlinx-metadata/klib/src/kotlinx/metadata/klib/ChunkedKlibModuleFragmentWriteStrategy.kt

@@ -6,6 +6,7 @@
 package kotlinx.metadata.klib
 
 import kotlinx.metadata.*
+import kotlinx.metadata.internal.common.KmModuleFragment
 
 class ChunkedKlibModuleFragmentWriteStrategy(
     private val topLevelClassifierDeclarationsPerFile: Int = 64,

libraries/kotlinx-metadata/klib/src/kotlinx/metadata/klib/KlibModuleMetadata.kt

@@ -7,7 +7,7 @@
 package kotlinx.metadata.klib
 
 import kotlinx.metadata.KmAnnotation
-import kotlinx.metadata.KmModuleFragment
+import kotlinx.metadata.internal.common.KmModuleFragment
 import kotlinx.metadata.internal.*
 import kotlinx.metadata.klib.impl.*
 import org.jetbrains.kotlin.library.metadata.parseModuleHeader
@@ -138,4 +138,4 @@ private fun KmModuleFragment.fqNameOrFail(): String =
     fqName ?: error("Module fragment must have a fully-qualified name.")
 
 private fun KmModuleFragment.isEmpty(): Boolean =
-    classes.isEmpty() && (pkg?.let { it.functions.isEmpty() && it.properties.isEmpty() && it.typeAliases.isEmpty() } ?: true)
+    classes.isEmpty() && (pkg?.let { it.functions.isEmpty() && it.properties.isEmpty() && it.typeAliases.isEmpty() } ?: true)

libraries/kotlinx-metadata/klib/src/kotlinx/metadata/klib/impl/klibExtensionNodes.kt

@@ -7,6 +7,8 @@
 package kotlinx.metadata.klib.impl
 
 import kotlinx.metadata.*
+import kotlinx.metadata.internal.common.KmModuleFragment
+import kotlinx.metadata.internal.common.KmModuleFragmentExtensionVisitor
 import kotlinx.metadata.internal.extensions.*
 import kotlinx.metadata.klib.*
 
@@ -260,4 +262,4 @@ internal class KlibValueParameterExtension : KlibValueParameterExtensionVisitor(
         require(visitor is KlibValueParameterExtensionVisitor)
         annotations.forEach(visitor::visitAnnotation)
     }
-}
+}

libraries/kotlinx-metadata/klib/src/kotlinx/metadata/klib/impl/klibMetadataExtensions.kt

@@ -7,6 +7,7 @@ package kotlinx.metadata.klib.impl
 
 import kotlinx.metadata.*
 import kotlinx.metadata.internal.*
+import kotlinx.metadata.internal.common.*
 import kotlinx.metadata.internal.extensions.*
 import kotlinx.metadata.klib.*
 import org.jetbrains.kotlin.library.metadata.KlibMetadataProtoBuf
@@ -428,4 +429,4 @@ internal class KlibMetadataExtensions : MetadataExtensions {
 
     override fun createValueParameterExtension(): KmValueParameterExtension =
         KlibValueParameterExtension()
-}
+}

libraries/kotlinx-metadata/klib/src/kotlinx/metadata/klib/klibExtensions.kt

@@ -6,6 +6,7 @@
 package kotlinx.metadata.klib
 
 import kotlinx.metadata.*
+import kotlinx.metadata.internal.common.KmModuleFragment
 import kotlinx.metadata.klib.impl.klibExtensions
 
 val KmFunction.annotations: MutableList<KmAnnotation>
@@ -114,4 +115,4 @@ var KmTypeAlias.uniqId: UniqId?
     }
 
 val KmValueParameter.annotations: MutableList<KmAnnotation>
-    get() = klibExtensions.annotations
+    get() = klibExtensions.annotations

libraries/kotlinx-metadata/klib/src/kotlinx/metadata/klib/klibMetadataExtensionVisitors.kt

@@ -7,6 +7,7 @@
 package kotlinx.metadata.klib
 
 import kotlinx.metadata.*
+import kotlinx.metadata.internal.common.KmModuleFragmentExtensionVisitor
 
 abstract class KlibFunctionExtensionVisitor : KmFunctionExtensionVisitor {
 
@@ -154,4 +155,4 @@ abstract class KlibValueParameterExtensionVisitor : KmValueParameterExtensionVis
     companion object {
         val TYPE = KmExtensionType(KlibValueParameterExtensionVisitor::class)
     }
-}
+}