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

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/ChangeProjectionKind1.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait ChangeProjectionKind1 {
+public interface ChangeProjectionKind1 {
 
-    public trait Sub : test.ChangeProjectionKind1.Super {
+    public interface Sub : test.ChangeProjectionKind1.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/ChangeProjectionKind2.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait ChangeProjectionKind2 {
+public interface ChangeProjectionKind2 {
 
-    public trait Sub : test.ChangeProjectionKind2.Super {
+    public interface Sub : test.ChangeProjectionKind2.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/DeeplySubstitutedClassParameter.txt

@@ -1,18 +1,18 @@
 package test
 
-public trait DeeplySubstitutedClassParameter {
+public interface DeeplySubstitutedClassParameter {
 
-    public trait Middle</*0*/ E> : test.DeeplySubstitutedClassParameter.Super<E!> {
+    public interface Middle</*0*/ E> : test.DeeplySubstitutedClassParameter.Super<E!> {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ t: E!): kotlin.Unit
     }
 
-    public trait Sub : test.DeeplySubstitutedClassParameter.Middle<kotlin.String!> {
+    public interface Sub : test.DeeplySubstitutedClassParameter.Middle<kotlin.String!> {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ t: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super</*0*/ T> {
+    public interface Super</*0*/ T> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ t: T!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/DeeplySubstitutedClassParameter2.txt

@@ -1,18 +1,18 @@
 package test
 
-public trait DeeplySubstitutedClassParameter2 {
+public interface DeeplySubstitutedClassParameter2 {
 
-    public trait Middle</*0*/ E> : test.DeeplySubstitutedClassParameter2.Super<E!> {
+    public interface Middle</*0*/ E> : test.DeeplySubstitutedClassParameter2.Super<E!> {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ /*fake_override*/ fun foo(/*0*/ t: E!): kotlin.Unit
     }
 
-    public trait Sub : test.DeeplySubstitutedClassParameter2.Middle<kotlin.String!> {
+    public interface Sub : test.DeeplySubstitutedClassParameter2.Middle<kotlin.String!> {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ t: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super</*0*/ T> {
+    public interface Super</*0*/ T> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ t: T!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritMutability.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritMutability {
+public interface InheritMutability {
 
-    public trait Sub : test.InheritMutability.Super {
+    public interface Sub : test.InheritMutability.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritNotVararg.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritNotVararg {
+public interface InheritNotVararg {
 
-    public trait Sub : test.InheritNotVararg.Super {
+    public interface Sub : test.InheritNotVararg.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p0: (kotlin.Array<kotlin.String!>?..kotlin.Array<out kotlin.String!>?)): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p0: kotlin.Array<(out) kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritNotVarargInteger.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritNotVarargInteger {
+public interface InheritNotVarargInteger {
 
-    public trait Sub : test.InheritNotVarargInteger.Super {
+    public interface Sub : test.InheritNotVarargInteger.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p0: (kotlin.Array<kotlin.Int!>?..kotlin.Array<out kotlin.Int!>?)): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p0: kotlin.Array<(out) kotlin.Int!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritNotVarargNotNull.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritNotVarargNotNull {
+public interface InheritNotVarargNotNull {
 
-    public trait Sub : test.InheritNotVarargNotNull.Super {
+    public interface Sub : test.InheritNotVarargNotNull.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: (kotlin.Array<kotlin.String!>?..kotlin.Array<out kotlin.String!>?)): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.Array<(out) kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritNotVarargPrimitive.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritNotVarargPrimitive {
+public interface InheritNotVarargPrimitive {
 
-    public trait Sub : test.InheritNotVarargPrimitive.Super {
+    public interface Sub : test.InheritNotVarargPrimitive.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p0: kotlin.IntArray?): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p0: kotlin.IntArray!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritNullability.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritNullability {
+public interface InheritNullability {
 
-    public trait Sub : test.InheritNullability.Super {
+    public interface Sub : test.InheritNullability.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p0: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ org.jetbrains.annotations.NotNull() p0: kotlin.String!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritProjectionKind.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritProjectionKind {
+public interface InheritProjectionKind {
 
-    public trait Sub : test.InheritProjectionKind.Super {
+    public interface Sub : test.InheritProjectionKind.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritReadOnliness.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritReadOnliness {
+public interface InheritReadOnliness {
 
-    public trait Sub : test.InheritReadOnliness.Super {
+    public interface Sub : test.InheritReadOnliness.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritVararg.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritVararg {
+public interface InheritVararg {
 
-    public trait Sub : test.InheritVararg.Super {
+    public interface Sub : test.InheritVararg.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ vararg p0: kotlin.String! /*kotlin.Array<(out) kotlin.String!>!*/): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ vararg p0: kotlin.String! /*kotlin.Array<(out) kotlin.String!>!*/): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritVarargInteger.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritVarargInteger {
+public interface InheritVarargInteger {
 
-    public trait Sub : test.InheritVarargInteger.Super {
+    public interface Sub : test.InheritVarargInteger.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ vararg p0: kotlin.Int! /*kotlin.Array<(out) kotlin.Int!>!*/): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ vararg p0: kotlin.Int! /*kotlin.Array<(out) kotlin.Int!>!*/): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritVarargNotNull.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritVarargNotNull {
+public interface InheritVarargNotNull {
 
-    public trait Sub : test.InheritVarargNotNull.Super {
+    public interface Sub : test.InheritVarargNotNull.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ vararg p: kotlin.String! /*kotlin.Array<(out) kotlin.String!>!*/): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ vararg p: kotlin.String! /*kotlin.Array<(out) kotlin.String!>!*/): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/InheritVarargPrimitive.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait InheritVarargPrimitive {
+public interface InheritVarargPrimitive {
 
-    public trait Sub : test.InheritVarargPrimitive.Super {
+    public interface Sub : test.InheritVarargPrimitive.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ vararg p0: kotlin.Int /*kotlin.IntArray*/): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ vararg p0: kotlin.Int /*kotlin.IntArray!*/): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/Kt3302.txt

@@ -1,18 +1,18 @@
 package test
 
-public trait Kt3302 {
+public interface Kt3302 {
 
-    public trait BSONObject {
+    public interface BSONObject {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun put(/*0*/ org.jetbrains.annotations.NotNull() p0: kotlin.String!, /*1*/ org.jetbrains.annotations.NotNull() p1: kotlin.Any!): kotlin.Any!
     }
 
-    public trait BasicBSONObject : test.Kt3302.LinkedHashMap<kotlin.String!, kotlin.Any!>, test.Kt3302.BSONObject {
+    public interface BasicBSONObject : test.Kt3302.LinkedHashMap<kotlin.String!, kotlin.Any!>, test.Kt3302.BSONObject {
         public abstract override /*2*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*2*/ fun put(/*0*/ key: kotlin.String!, /*1*/ value: kotlin.Any!): kotlin.Any!
     }
 
-    public trait LinkedHashMap</*0*/ K, /*1*/ V> {
+    public interface LinkedHashMap</*0*/ K, /*1*/ V> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun put(/*0*/ key: K!, /*1*/ value: V!): V!
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/MutableToReadOnly.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait MutableToReadOnly {
+public interface MutableToReadOnly {
 
-    public trait Sub : test.MutableToReadOnly.Super {
+    public interface Sub : test.MutableToReadOnly.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/NotNullToNullable.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait NotNullToNullable {
+public interface NotNullToNullable {
 
-    public trait Sub : test.NotNullToNullable.Super {
+    public interface Sub : test.NotNullToNullable.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ org.jetbrains.annotations.NotNull() p0: kotlin.String!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/NullableToNotNull.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait NullableToNotNull {
+public interface NullableToNotNull {
 
-    public trait Sub : test.NullableToNotNull.Super {
+    public interface Sub : test.NullableToNotNull.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ org.jetbrains.annotations.NotNull() p0: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p0: kotlin.String!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/NullableToNotNullKotlinSignature.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait NullableToNotNullKotlinSignature {
+public interface NullableToNotNullKotlinSignature {
 
-    public trait Sub : test.NullableToNotNullKotlinSignature.Super {
+    public interface Sub : test.NullableToNotNullKotlinSignature.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.String!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/OverrideWithErasedParameter.txt

@@ -1,14 +1,14 @@
 package test
 
-public trait OverrideWithErasedParameter {
+public interface OverrideWithErasedParameter {
 
-    public trait Sub</*0*/ T> : test.OverrideWithErasedParameter.Super<T!> {
+    public interface Sub</*0*/ T> : test.OverrideWithErasedParameter.Super<T!> {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ /*fake_override*/ fun foo(/*0*/ p0: T!): kotlin.Unit
         public abstract fun foo(/*0*/ p0: kotlin.Any!): kotlin.Unit
     }
 
-    public trait Super</*0*/ T> {
+    public interface Super</*0*/ T> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p0: T!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/ReadOnlyToMutable.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait ReadOnlyToMutable {
+public interface ReadOnlyToMutable {
 
-    public trait Sub : test.ReadOnlyToMutable.Super {
+    public interface Sub : test.ReadOnlyToMutable.Super {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }
 
-    public trait Super {
+    public interface Super {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ p: kotlin.(Mutable)List<kotlin.String!>!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/SubclassFromGenericAndNot.txt

@@ -1,18 +1,18 @@
 package test
 
-public trait SubclassFromGenericAndNot {
+public interface SubclassFromGenericAndNot {
 
-    public trait Generic</*0*/ T> {
+    public interface Generic</*0*/ T> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ key: T!): kotlin.Unit
     }
 
-    public trait NonGeneric {
+    public interface NonGeneric {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ org.jetbrains.annotations.NotNull() p0: kotlin.String!): kotlin.Unit
     }
 
-    public trait Sub : test.SubclassFromGenericAndNot.NonGeneric, test.SubclassFromGenericAndNot.Generic<kotlin.String!> {
+    public interface Sub : test.SubclassFromGenericAndNot.NonGeneric, test.SubclassFromGenericAndNot.Generic<kotlin.String!> {
         public abstract override /*2*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*2*/ fun foo(/*0*/ key: kotlin.String!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/SubstitutedClassParameter.txt

@@ -1,13 +1,13 @@
 package test
 
-public trait SubstitutedClassParameter {
+public interface SubstitutedClassParameter {
 
-    public trait Sub : test.SubstitutedClassParameter.Super<kotlin.String!> {
+    public interface Sub : test.SubstitutedClassParameter.Super<kotlin.String!> {
         public abstract override /*1*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*1*/ fun foo(/*0*/ t: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super</*0*/ T> {
+    public interface Super</*0*/ T> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ t: T!): kotlin.Unit
     }

compiler/testData/loadJava/compiledJava/kotlinSignature/propagation/parameter/SubstitutedClassParameters.txt

@@ -1,18 +1,18 @@
 package test
 
-public trait SubstitutedClassParameters {
+public interface SubstitutedClassParameters {
 
-    public trait Sub : test.SubstitutedClassParameters.Super1<kotlin.String!>, test.SubstitutedClassParameters.Super2<kotlin.String!> {
+    public interface Sub : test.SubstitutedClassParameters.Super1<kotlin.String!>, test.SubstitutedClassParameters.Super2<kotlin.String!> {
         public abstract override /*2*/ /*fake_override*/ fun dummy(): kotlin.Unit
         public abstract override /*2*/ fun foo(/*0*/ t: kotlin.String!): kotlin.Unit
     }
 
-    public trait Super1</*0*/ T> {
+    public interface Super1</*0*/ T> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ t: T!): kotlin.Unit
     }
 
-    public trait Super2</*0*/ E> {
+    public interface Super2</*0*/ E> {
         public abstract fun dummy(): kotlin.Unit
         public abstract fun foo(/*0*/ t: E!): kotlin.Unit
     }