replace 'trait' keyword with 'interface' in user-visible messages and code generation tools

compiler/testData/loadJava/compiledKotlin/fun/DeclaredMemberOverridesDelegated.txt

@@ -7,10 +7,10 @@ internal final class B : test.X, test.Y {
     internal open override /*2*/ fun foo(): kotlin.Unit
 }
 
-internal trait X {
+internal interface X {
     internal abstract fun foo(): kotlin.Unit
 }
 
-internal trait Y : test.X {
+internal interface Y : test.X {
     internal abstract override /*1*/ /*fake_override*/ fun foo(): kotlin.Unit
 }

compiler/testData/loadJava/compiledKotlin/fun/InheritMethodsDifferentReturnTypesAndVisibilities.txt

@@ -1,16 +1,16 @@
 package test
 
-public trait Sub : test.Super1, test.Super2 {
+public interface Sub : test.Super1, test.Super2 {
     public abstract override /*1*/ /*fake_override*/ fun bar(): kotlin.CharSequence
     public abstract override /*1*/ /*fake_override*/ fun foo(): kotlin.CharSequence
 }
 
-public trait Super1 {
+public interface Super1 {
     private abstract fun bar(): kotlin.String
     public abstract fun foo(): kotlin.CharSequence
 }
 
-public trait Super2 {
+public interface Super2 {
     public abstract fun bar(): kotlin.CharSequence
     private abstract fun foo(): kotlin.String
 }

compiler/testData/loadJava/compiledKotlin/fun/InheritValAndVar.txt

@@ -1,6 +1,6 @@
 package test
 
-public trait Sub : test.Super1, test.Super2 {
+public interface Sub : test.Super1, test.Super2 {
     internal abstract override /*2*/ /*fake_override*/ var x: kotlin.String
         internal abstract override /*2*/ /*fake_override*/ fun <get-x>(): kotlin.String
         internal abstract override /*1*/ /*fake_override*/ fun <set-x>(/*0*/ <set-?>: kotlin.String): kotlin.Unit
@@ -9,7 +9,7 @@ public trait Sub : test.Super1, test.Super2 {
         internal abstract override /*1*/ /*fake_override*/ fun <set-y>(/*0*/ <set-?>: kotlin.String): kotlin.Unit
 }
 
-public trait Super1 {
+public interface Super1 {
     internal abstract val x: kotlin.String
         internal abstract fun <get-x>(): kotlin.String
     internal abstract var y: kotlin.String
@@ -17,7 +17,7 @@ public trait Super1 {
         internal abstract fun <set-y>(/*0*/ <set-?>: kotlin.String): kotlin.Unit
 }
 
-public trait Super2 {
+public interface Super2 {
     internal abstract var x: kotlin.String
         internal abstract fun <get-x>(): kotlin.String
         internal abstract fun <set-x>(/*0*/ <set-?>: kotlin.String): kotlin.Unit

compiler/testData/loadJava/compiledKotlin/fun/InheritValsDifferentTypes.txt

@@ -1,20 +1,20 @@
 package test
 
-public trait Sub : test.Super1, test.Super2 {
+public interface Sub : test.Super1, test.Super2 {
     internal abstract override /*2*/ /*fake_override*/ val x: kotlin.String
         internal abstract override /*2*/ /*fake_override*/ fun <get-x>(): kotlin.String
     internal abstract override /*2*/ /*fake_override*/ val y: kotlin.String
         internal abstract override /*2*/ /*fake_override*/ fun <get-y>(): kotlin.String
 }
 
-public trait Super1 {
+public interface Super1 {
     internal abstract val x: kotlin.String
         internal abstract fun <get-x>(): kotlin.String
     internal abstract val y: kotlin.CharSequence
         internal abstract fun <get-y>(): kotlin.CharSequence
 }
 
-public trait Super2 {
+public interface Super2 {
     internal abstract val x: kotlin.CharSequence
         internal abstract fun <get-x>(): kotlin.CharSequence
     internal abstract val y: kotlin.String

compiler/testData/loadJava/compiledKotlin/fun/NoDelegationForFunctionInheritedFromTraitSuperClass.txt

@@ -24,7 +24,7 @@ internal final class D : test.B, test.X {
     internal open override /*2*/ /*fake_override*/ fun foo(): kotlin.Unit
 }
 
-internal trait X : test.A {
+internal interface X : test.A {
     internal open fun bar(): kotlin.Unit
     internal abstract override /*1*/ /*fake_override*/ fun foo(): kotlin.Unit
 }

compiler/testData/loadJava/compiledKotlin/fun/NoSamAdapter.txt

@@ -2,6 +2,6 @@ package test
 
 internal fun foo(/*0*/ r: java.lang.Runnable): kotlin.Unit
 
-public trait TaskObject {
+public interface TaskObject {
     internal abstract fun foo(/*0*/ r: java.lang.Runnable): kotlin.Unit
 }

compiler/testData/loadJava/compiledKotlin/fun/NoSamConstructor.txt

@@ -1,5 +1,5 @@
 package test
 
-public trait Runnable {
+public interface Runnable {
     internal abstract fun run(): kotlin.Unit
 }

compiler/testData/loadJava/compiledKotlin/fun/PropagateDeepSubclass.txt

@@ -1,6 +1,6 @@
 package test
 
-internal trait A {
+internal interface A {
     internal open fun bar(): kotlin.Unit
     internal open fun foo(): kotlin.Unit
 }

compiler/testData/loadJava/compiledKotlin/fun/genericWithTypeVariables/FunParamTwoUpperBounds.txt

@@ -2,8 +2,8 @@ package test
 
 internal fun </*0*/ T : test.Foo> foo(): kotlin.Unit where T : test.Bar
 
-internal trait Bar {
+internal interface Bar {
 }
 
-internal trait Foo {
+internal interface Foo {
 }