code: static void checkCacheMergePolicy(String mergePolicyClassname, SplitBrainMergeTypeProvider mergeTypeProvider,
                                        CacheMergePolicyProvider mergePolicyProvider) {
          if (mergePolicyProvider == null) {
              return;
          }
          Object mergePolicyInstance = getMergePolicyInstance(mergePolicyProvider, mergePolicyClassname);
          checkMergePolicy(mergeTypeProvider, mergePolicyInstance);
      }
docs: Checks the merge policy configuration in the context of an {@link ICache}.
  
  @param mergePolicyClassname the configured merge policy of the cache
  @param mergeTypeProvider    the {@link SplitBrainMergeTypeProvider} of the cache
  @param mergePolicyProvider  the {@link CacheMergePolicyProvider} to resolve merge policy classes