Replace appendln with appendLine in project

compiler/fir/analysis-tests/tests/org/jetbrains/kotlin/fir/AbstractFirLoadCompiledKotlin.kt

@@ -66,7 +66,7 @@ abstract class AbstractFirLoadCompiledKotlin : AbstractFirResolveWithSessionTest
         for (name in provider.getAllCallableNamesInPackage(packageFqName)) {
             for (symbol in provider.getTopLevelCallableSymbols(packageFqName, name)) {
                 symbol.fir.accept(firRenderer)
-                builder.appendln()
+                builder.appendLine()
             }
         }
 
@@ -75,7 +75,7 @@ abstract class AbstractFirLoadCompiledKotlin : AbstractFirResolveWithSessionTest
                 provider.getClassLikeSymbolByFqName(ClassId.topLevel(packageFqName.child(name))) as FirClassSymbol?
                     ?: continue
             classLikeSymbol.fir.accept(firRenderer)
-            builder.appendln()
+            builder.appendLine()
         }
 
         val testDataDirectoryPath =

compiler/fir/analysis-tests/tests/org/jetbrains/kotlin/fir/BuiltInsDeserializationForFirTestCase.kt

@@ -42,7 +42,7 @@ class BuiltInsDeserializationForFirTestCase : AbstractFirResolveWithSessionTestC
         for (name in provider.getAllCallableNamesInPackage(packageFqName)) {
             for (symbol in provider.getTopLevelCallableSymbols(packageFqName, name)) {
                 symbol.fir.accept(firRenderer)
-                builder.appendln()
+                builder.appendLine()
             }
         }
 
@@ -51,7 +51,7 @@ class BuiltInsDeserializationForFirTestCase : AbstractFirResolveWithSessionTestC
                 provider.getClassLikeSymbolByFqName(ClassId.topLevel(packageFqName.child(name))) as FirClassSymbol?
                     ?: continue
             classLikeSymbol.fir.accept(firRenderer)
-            builder.appendln()
+            builder.appendLine()
         }
 
 

compiler/fir/analysis-tests/tests/org/jetbrains/kotlin/fir/java/AbstractFirOldFrontendLightClassesTest.kt

@@ -44,7 +44,7 @@ abstract class AbstractFirOldFrontendLightClassesTest : AbstractFirOldFrontendDi
             )
 
             psiClass.appendMirrorText(0, stringBuilder)
-            stringBuilder.appendln()
+            stringBuilder.appendLine()
         }
 
         val expectedPath = testDataFile.path.replace(".kt", ".txt")

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/context/AbstractBuilderConfigurator.kt

@@ -173,22 +173,22 @@ abstract class AbstractBuilderConfigurator<T : AbstractFirTreeBuilder>(val firTr
         return if (type == null) {
             allImplementations.filter { it.kind?.hasLeafBuilder == true }.singleOrNull() ?: this@AbstractBuilderConfigurator.run {
                 val message = buildString {
-                    appendln("${this@extractImplementation} has multiple implementations:")
+                    appendLine("${this@extractImplementation} has multiple implementations:")
                     for (implementation in allImplementations) {
-                        appendln("  - ${implementation.type}")
+                        appendLine("  - ${implementation.type}")
                     }
-                    appendln("Please specify implementation is needed")
+                    appendLine("Please specify implementation is needed")
                 }
                 throw IllegalArgumentException(message)
             }
         } else {
             allImplementations.firstOrNull { it.type == type } ?: this@AbstractBuilderConfigurator.run {
                 val message = buildString {
-                    appendln("${this@extractImplementation} has not implementation $type. Existing implementations:")
+                    appendLine("${this@extractImplementation} has not implementation $type. Existing implementations:")
                     for (implementation in allImplementations) {
-                        appendln("  - ${implementation.type}")
+                        appendLine("  - ${implementation.type}")
                     }
-                    appendln("Please specify implementation is needed")
+                    appendLine("Please specify implementation is needed")
                 }
                 throw IllegalArgumentException(message)
             }