code: public ImportExportResponseInner createImportOperation(String resourceGroupName, String serverName, String databaseName, ImportExtensionRequest parameters) {
          return createImportOperationWithServiceResponseAsync(resourceGroupName, serverName, databaseName, parameters).toBlocking().last().body();
      }
docs: Creates an import operation that imports a bacpac into an existing database. The existing database must be empty.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param serverName The name of the server.
  @param databaseName The name of the database to import into
  @param parameters The required parameters for importing a Bacpac into a database.
  @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 ImportExportResponseInner object if successful.