[Type Removal] Add mapping method referenced in other repos

[dreamer-89]

Signed-off-by: Suraj Singh surajrider@gmail.com

Description

Add mapping method back; removed earlier as part of remove mapping types effort. The method was removed here. It is used in dashboard-reports repo and probably others.

Related: #1940

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[opensearch-ci-bot]

❌   Gradle Check failure 97e04d2
Log 3832

Reports 3832

[dreamer-89]

REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.opensearch.cluster.ClusterHealthIT.testHealthOnMasterFailover" -Dtests.seed=DC27A50FBE611B2F -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=fi -Dtests.timezone=Africa/Porto-Novo -Druntime.java=17

org.opensearch.cluster.ClusterHealthIT > testHealthOnMasterFailover FAILED
    java.util.concurrent.ExecutionException: MasterNotDiscoveredException[NodeDisconnectedException[[node_s2][127.0.0.1:38551][cluster:monitor/health] disconnected]]; nested: NodeDisconnectedException[[node_s2][127.0.0.1:38551][cluster:monitor/health] disconnected];
        at __randomizedtesting.SeedInfo.seed([DC27A50FBE611B2F:42C88A22BD8B07C9]:0)
        at org.opensearch.common.util.concurrent.BaseFuture$Sync.getValue(BaseFuture.java:281)
        at org.opensearch.common.util.concurrent.BaseFuture$Sync.get(BaseFuture.java:268)
        at org.opensearch.common.util.concurrent.BaseFuture.get(BaseFuture.java:99)
        at org.opensearch.cluster.ClusterHealthIT.testHealthOnMasterFailover(ClusterHealthIT.java:393)

        Caused by:
        MasterNotDiscoveredException[NodeDisconnectedException[[node_s2][127.0.0.1:38551][cluster:monitor/health] disconnected]]; nested: NodeDisconnectedException[[node_s2][127.0.0.1:38551][cluster:monitor/health] disconnected];
            at app//org.opensearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction$2.onTimeout(TransportMasterNodeAction.java:275)
            at app//org.opensearch.cluster.ClusterStateObserver$ContextPreservingListener.onTimeout(ClusterStateObserver.java:369)
            at app//org.opensearch.cluster.ClusterStateObserver.waitForNextChange(ClusterStateObserver.java:174)
            at app//org.opensearch.cluster.ClusterStateObserver.waitForNextChange(ClusterStateObserver.java:142)
            at app//org.opensearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction.retry(TransportMasterNodeAction.java:258)
            at app//org.opensearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction.retryOnMasterChange(TransportMasterNodeAction.java:239)
            at app//org.opensearch.action.support.master.TransportMasterNodeAction$AsyncSingleAction$1.handleException(TransportMasterNodeAction.java:224)
            at app//org.opensearch.transport.TransportService$6.handleException(TransportService.java:735)
            at app//org.opensearch.transport.TransportService$ContextRestoreResponseHandler.handleException(TransportService.java:1350)
            at app//org.opensearch.transport.TransportService$9.run(TransportService.java:1207)
            at app//org.opensearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:733)
            at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
            at java.base@17.0.2/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
            at java.base@17.0.2/java.lang.Thread.run(Thread.java:833)

            Caused by:
            NodeDisconnectedException[[node_s2][127.0.0.1:38551][cluster:monitor/health] disconnected]

[dreamer-89]

start gradle check

[opensearch-ci-bot]

❌   Gradle Check failure 97e04d2
Log 3834

Reports 3834

[dreamer-89]

REPRODUCE WITH: ./gradlew ':server:internalClusterTest' --tests "org.opensearch.search.SearchCancellationIT.testMSearchChildRequestCancellationWithClusterLevelTimeout" -Dtests.seed=2EAB86AB12D08AC5 -Dtests.security.manager=true -Dtests.jvm.argline="-XX:TieredStopAtLevel=1 -XX:ReservedCodeCacheSize=64m" -Dtests.locale=el-CY -Dtests.timezone=SystemV/CST6 -Druntime.java=17

org.opensearch.search.SearchCancellationIT > testMSearchChildRequestCancellationWithClusterLevelTimeout FAILED
    java.lang.AssertionError: Actual child request with cancellation failure is different that expected expected:<[0, 1]> but was:<[]>
        at __randomizedtesting.SeedInfo.seed([2EAB86AB12D08AC5:90164D4E83C66AB2]:0)
        at org.junit.Assert.fail(Assert.java:89)
        at org.junit.Assert.failNotEquals(Assert.java:835)
        at org.junit.Assert.assertEquals(Assert.java:120)
        at org.opensearch.search.SearchCancellationIT.ensureMSearchWasCancelled(SearchCancellationIT.java:194)
        at org.opensearch.search.SearchCancellationIT.testMSearchChildRequestCancellationWithClusterLevelTimeout(SearchCancellationIT.java:537)

[dreamer-89]

start gradle check

[opensearch-ci-bot]

✅   Gradle Check success 97e04d2
Log 3838

Reports 3838