Publish APIs for tests

Author: koperagen

src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/DataRowApi.kt

@@ -97,15 +97,15 @@ public fun <T> DataRow<T>.relative(relativeIndices: Iterable<Int>): DataFrame<T>
 public fun <T> DataRow<T>.relative(relativeIndices: IntRange): DataFrame<T> =
     getRows((relativeIndices.start + index).coerceIn(df().indices)..(relativeIndices.endInclusive + index).coerceIn(df().indices))
 
-internal fun <T> DataRow<T>.movingAverage(k: Int, expression: RowExpression<T, Number>): Double {
+public fun <T> DataRow<T>.movingAverage(k: Int, expression: RowExpression<T, Number>): Double {
     var count = 0
     return backwardIterable().take(k).sumByDouble {
         count++
         expression(it).toDouble()
     } / count
 }
 
-internal fun <T> DataRow<T>.duplicate(n: Int): DataFrame<T> = this.owner.columns().mapIndexed { colIndex, col ->
+public fun <T> DataRow<T>.duplicate(n: Int): DataFrame<T> = this.owner.columns().mapIndexed { colIndex, col ->
     when (col) {
         is ColumnGroup<*> -> DataColumn.createColumnGroup(col.name, col[index].duplicate(n))
         else -> {

src/main/kotlin/org/jetbrains/kotlinx/dataframe/codeGen/CodeGenerator.kt

@@ -48,18 +48,18 @@ public interface CodeGenerator : ExtensionsCodeGenerator {
         }
     }
 }
-
+@PublishedApi
 internal fun CodeGenerator.generate(
     markerClass: KClass<*>,
     interfaceMode: InterfaceGenerationMode,
     extensionProperties: Boolean
-) = generate(
+): CodeWithConverter = generate(
     MarkersExtractor.get(markerClass),
     interfaceMode,
     extensionProperties
 )
 
-internal inline fun <reified T> CodeGenerator.generate(
+public inline fun <reified T> CodeGenerator.generate(
     interfaceMode: InterfaceGenerationMode,
     extensionProperties: Boolean
-) = generate(T::class, interfaceMode, extensionProperties)
+): CodeWithConverter = generate(T::class, interfaceMode, extensionProperties)