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

compiler/testData/loadJava/compiledKotlin/class/ClassMemberConflict.txt

@@ -20,7 +20,7 @@ internal final class ConstructorTypeParamClassObjectTypeConflict</*0*/ test> {
     internal companion object Companion {
         /*primary*/ private constructor Companion()
 
-        internal trait test {
+        internal interface test {
         }
     }
 }

compiler/testData/loadJava/compiledKotlin/class/ClassParamReferencesSelf.txt

@@ -4,5 +4,5 @@ internal final class ClassParamReferencesSelf</*0*/ A : test.TraitWithP<A>> {
     /*primary*/ public constructor ClassParamReferencesSelf</*0*/ A : test.TraitWithP<A>>()
 }
 
-internal trait TraitWithP</*0*/ P> {
+internal interface TraitWithP</*0*/ P> {
 }

compiler/testData/loadJava/compiledKotlin/class/InheritSubstitutedMethod.txt

@@ -1,6 +1,6 @@
 package test
 
-public trait A</*0*/ T> {
+public interface A</*0*/ T> {
     internal abstract fun bar(): T
     internal open fun foo(): T
 }

compiler/testData/loadJava/compiledKotlin/class/InheritTraitWithFunctionParam.txt

@@ -5,6 +5,6 @@ internal open class Class : test.Trait {
     internal open override /*1*/ /*fake_override*/ fun f(/*0*/ a: kotlin.String): kotlin.Unit
 }
 
-internal trait Trait {
+internal interface Trait {
     internal open fun f(/*0*/ a: kotlin.String): kotlin.Unit
 }

compiler/testData/loadJava/compiledKotlin/class/InheritTraitWithParam.txt

@@ -1,6 +1,6 @@
 package test
 
-internal trait Aaa</*0*/ P> {
+internal interface Aaa</*0*/ P> {
 }
 
 internal final class Bbb : test.Aaa<java.util.Random> {

compiler/testData/loadJava/compiledKotlin/class/RecursiveGeneric.txt

@@ -1,9 +1,9 @@
 package test
 
-internal trait Rec</*0*/ R, /*1*/ out T : test.Rec<R, T>> {
+internal interface Rec</*0*/ R, /*1*/ out T : test.Rec<R, T>> {
     internal abstract fun t(): T
 }
 
-internal trait Super {
+internal interface Super {
     internal open fun foo(/*0*/ p: test.Rec<*, *>): test.Rec<*, *>
 }

compiler/testData/loadJava/compiledKotlin/class/SingleAbstractMethod.txt

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

compiler/testData/loadJava/compiledKotlin/class/Trait.txt

@@ -1,4 +1,4 @@
 package test
 
-internal trait Trtrtr {
+internal interface Trtrtr {
 }

compiler/testData/loadJava/compiledKotlin/class/javaBean/JavaBeanAbstractGetter.txt

@@ -1,6 +1,6 @@
 package test
 
-public trait JavaBeanAbstractGetter {
+public interface JavaBeanAbstractGetter {
     public abstract fun getBlue(): kotlin.Int
     public abstract fun getRed(): kotlin.Int
 }