code: public RedisLinkedServerWithPropertiesInner beginCreate(String resourceGroupName, String name, String linkedServerName, RedisLinkedServerCreateParameters parameters) {
          return beginCreateWithServiceResponseAsync(resourceGroupName, name, linkedServerName, parameters).toBlocking().single().body();
      }
docs: Adds a linked server to the Redis cache (requires Premium SKU).
  
  @param resourceGroupName The name of the resource group.
  @param name The name of the Redis cache.
  @param linkedServerName The name of the linked server that is being added to the Redis cache.
  @param parameters Parameters supplied to the Create Linked server operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the RedisLinkedServerWithPropertiesInner object if successful.