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[MINOR][BUILD] Fix javadoc8 break #16926

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[MINOR][BUILD] Fix javadoc8 break #16926

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8 changes: 3 additions & 5 deletions sql/core/src/main/scala/org/apache/spark/sql/KeyedState.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,6 @@

package org.apache.spark.sql

import java.lang.IllegalArgumentException

import org.apache.spark.annotation.{Experimental, InterfaceStability}
import org.apache.spark.sql.catalyst.plans.logical.LogicalKeyedState

Expand All @@ -36,7 +34,7 @@ import org.apache.spark.sql.catalyst.plans.logical.LogicalKeyedState
* `Dataset.groupByKey()`) while maintaining user-defined per-group state between invocations.
* For a static batch Dataset, the function will be invoked once per group. For a streaming
* Dataset, the function will be invoked for each group repeatedly in every trigger.
* That is, in every batch of the [[streaming.StreamingQuery StreamingQuery]],
* That is, in every batch of the `streaming.StreamingQuery`,
* the function will be invoked once for each group that has data in the batch.
*
* The function is invoked with following parameters.
Expand Down Expand Up @@ -65,7 +63,7 @@ import org.apache.spark.sql.catalyst.plans.logical.LogicalKeyedState
*
* Scala example of using KeyedState in `mapGroupsWithState`:
* {{{
* /* A mapping function that maintains an integer state for string keys and returns a string. */
* // A mapping function that maintains an integer state for string keys and returns a string.
* def mappingFunction(key: String, value: Iterator[Int], state: KeyedState[Int]): String = {
* // Check if state exists
* if (state.exists) {
Expand All @@ -88,7 +86,7 @@ import org.apache.spark.sql.catalyst.plans.logical.LogicalKeyedState
*
* Java example of using `KeyedState`:
* {{{
* /* A mapping function that maintains an integer state for string keys and returns a string. */
* // A mapping function that maintains an integer state for string keys and returns a string.
* MapGroupsWithStateFunction<String, Integer, Integer, String> mappingFunction =
* new MapGroupsWithStateFunction<String, Integer, Integer, String>() {
*
Expand Down