public Observable<Void> beginRefreshHubSchemaAsync(String resourceGroupName, String serverName, String databaseName, String syncGroupName) {
        return beginRefreshHubSchemaWithServiceResponseAsync(resourceGroupName, serverName, databaseName, syncGroupName).map(new Func1<ServiceResponse<Void>, Void>() {
            @Override
            public Void call(ServiceResponse<Void> response) {
                return response.body();
            }
        });
    }
public Observable < Void > beginRefreshHubSchemaAsync ( String resourceGroupName , String serverName , String databaseName , String syncGroupName ) { return beginRefreshHubSchemaWithServiceResponseAsync ( resourceGroupName , serverName , databaseName , syncGroupName ) . map ( new Func1 < ServiceResponse < Void > , Void > ( ) { @ Override public Void call ( ServiceResponse < Void > response ) { return response . body ( ) ; } } ) ; }
Refreshes a hub database schema.

@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 on which the sync group is hosted.
@param syncGroupName The name of the sync group.
@throws IllegalArgumentException thrown if parameters fail the validation
@return the {@link ServiceResponse} object if successful.