@CliCommand(value = DESTROY_MOCK_REGION_EXTENSION)
  @ResourceOperation(resource = Resource.CLUSTER, operation = Operation.READ)
  public Result destroyMockRegionExtension(
      @CliOption(key = OPTION_REGION_NAME, mandatory = true) final String regionName) {
    return executeFunctionOnAllMembersTabulateResultPersist(
        DestroyMockRegionExtensionFunction.INSTANCE, true,
        DestroyMockRegionExtensionFunction.toArgs(regionName));
  }
Destroy the {@link MockRegionExtension} on the given <code>regionName</code>.

@param regionName {@link Region} name on which to create {@link MockRegionExtension} .
@return {@link Result}
@since GemFire 8.1
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/extension/mock/MockExtensionCommands.java