code: public boolean exists(String poolId, PoolExistsOptions poolExistsOptions) {
          return existsWithServiceResponseAsync(poolId, poolExistsOptions).toBlocking().single().body();
      }
docs: Gets basic properties of a pool.
  
  @param poolId The ID of the pool to get.
  @param poolExistsOptions Additional parameters for the operation
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws BatchErrorException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the boolean object if successful.