[FIR/IR generator] Introduce the shared Model class

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/config/AbstractTreeBuilder.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.ir.generator.config
 import org.jetbrains.kotlin.generators.tree.*
 import org.jetbrains.kotlin.ir.generator.model.*
 import org.jetbrains.kotlin.ir.generator.model.ElementRef
+import org.jetbrains.kotlin.ir.generator.model.Model
 import org.jetbrains.kotlin.types.Variance
 import kotlin.properties.PropertyDelegateProvider
 import kotlin.properties.ReadOnlyProperty

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/model/Transformations.kt

@@ -22,7 +22,7 @@ internal object InferredOverriddenType : TypeRefWithNullability {
     override fun copy(nullable: Boolean) = this
 }
 
-data class Model(val elements: List<Element>, val rootElement: Element)
+typealias Model = org.jetbrains.kotlin.generators.tree.Model<Element>
 
 internal fun markLeaves(elements: List<Element>) {
     val leaves = elements.toMutableSet()

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/print/Elements.kt

@@ -12,6 +12,7 @@ import org.jetbrains.kotlin.ir.generator.TREE_GENERATOR_README
 import org.jetbrains.kotlin.ir.generator.elementTransformerType
 import org.jetbrains.kotlin.ir.generator.elementVisitorType
 import org.jetbrains.kotlin.ir.generator.model.*
+import org.jetbrains.kotlin.ir.generator.model.Model
 import org.jetbrains.kotlin.utils.SmartPrinter
 import org.jetbrains.kotlin.utils.withIndent
 import java.io.File

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/print/VisitorsAndTransformers.kt

@@ -10,6 +10,7 @@ import org.jetbrains.kotlin.generators.tree.*
 import org.jetbrains.kotlin.generators.tree.printer.*
 import org.jetbrains.kotlin.ir.generator.*
 import org.jetbrains.kotlin.ir.generator.model.*
+import org.jetbrains.kotlin.ir.generator.model.Model
 import org.jetbrains.kotlin.util.capitalizeDecapitalize.capitalizeAsciiOnly
 import org.jetbrains.kotlin.utils.SmartPrinter
 import org.jetbrains.kotlin.utils.withIndent

generators/tree-generator-common/src/org/jetbrains/kotlin/generators/tree/Model.kt

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.generators.tree
+
+data class Model<Element : AbstractElement<Element, *>>(
+    val elements: List<Element>,
+    val rootElement: Element,
+)