preparing cumSum with default columns for compiler plugin

Author: Jolanrensen

core/src/main/kotlin/org/jetbrains/kotlinx/dataframe/api/cumSum.kt

@@ -164,6 +164,8 @@ public fun <T> DataFrame<T>.cumSum(
  * {@set [CumSumDocs.DATA_TYPE] [DataFrame]}
  * {@set [CumSumDocs.CUMSUM_PARAM]}
  */
+@Refine
+@Interpretable("DataFrameCumSum0")
 public fun <T> DataFrame<T>.cumSum(skipNA: Boolean = defaultCumSumSkipNA): DataFrame<T> =
     cumSum(skipNA) {
         colsAtAnyDepth().filter { it.isPrimitiveOrMixedNumber() }.cast()
@@ -218,6 +220,8 @@ public fun <T, G> GroupBy<T, G>.cumSum(
  * {@set [CumSumDocs.DATA_TYPE] [GroupBy]}
  * {@set [CumSumDocs.CUMSUM_PARAM]}
  */
+@Refine
+@Interpretable("GroupByCumSum0")
 public fun <T, G> GroupBy<T, G>.cumSum(skipNA: Boolean = defaultCumSumSkipNA): GroupBy<T, G> =
     cumSum(skipNA) {
         colsAtAnyDepth().filter { it.isPrimitiveOrMixedNumber() }.cast()