code: public Observable<RedisResourceInner> beginCreateAsync(String resourceGroupName, String name, RedisCreateParameters parameters) {
          return beginCreateWithServiceResponseAsync(resourceGroupName, name, parameters).map(new Func1<ServiceResponse<RedisResourceInner>, RedisResourceInner>() {
              @Override
              public RedisResourceInner call(ServiceResponse<RedisResourceInner> response) {
                  return response.body();
              }
          });
      }
docs: Create or replace (overwrite/recreate, with potential downtime) an existing Redis cache.
  
  @param resourceGroupName The name of the resource group.
  @param name The name of the Redis cache.
  @param parameters Parameters supplied to the Create Redis operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the RedisResourceInner object